Vulnerabilites related to exim - exim
cve-2019-13917
Vulnerability from cvelistv5
Published
2019-07-25 19:07
Modified
2024-08-05 00:05
Severity ?
EPSS score ?
Summary
Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain).
References
| ▼ | URL | Tags |
|---|---|---|
| http://exim.org/static/doc/security/CVE-2019-13917.txt | x_refsource_CONFIRM | |
| https://www.debian.org/security/2019/dsa-4488 | vendor-advisory, x_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2019/07/26/5 | mailing-list, x_refsource_MLIST | |
| https://seclists.org/bugtraq/2019/Jul/51 | mailing-list, x_refsource_BUGTRAQ | |
| https://security.gentoo.org/glsa/201909-06 | vendor-advisory, x_refsource_GENTOO |
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cve-2020-28015
Vulnerability from cvelistv5
Published
2021-05-06 03:46
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. Local users can alter the behavior of root processes because a recipient address can have a newline character.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28015-NLEND.txt | x_refsource_MISC |
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cve-2020-28007
Vulnerability from cvelistv5
Published
2021-05-06 02:58
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the log directory (owned by a non-root user), a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28007-LFDIR.txt | x_refsource_MISC |
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cve-2020-28009
Vulnerability from cvelistv5
Published
2021-05-06 03:13
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow because get_stdinput allows unbounded reads that are accompanied by unbounded increases in a certain size variable. NOTE: exploitation may be impractical because of the execution time needed to overflow (multiple days).
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28009-STDIN.txt | x_refsource_MISC |
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cve-2023-42114
Vulnerability from cvelistv5
Published
2024-05-03 02:13
Modified
2024-09-18 18:30
Severity ?
EPSS score ?
Summary
Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this vulnerability to disclose information in the context of the service account.
. Was ZDI-CAN-17433.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-23-1468/ | x_research-advisory |
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cve-2010-4344
Vulnerability from cvelistv5
Published
2010-12-14 15:00
Modified
2025-02-07 13:34
Severity ?
EPSS score ?
Summary
Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.
References
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cve-2020-28011
Vulnerability from cvelistv5
Published
2021-05-06 03:22
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Heap-based Buffer Overflow in queue_run via two sender options: -R and -S. This may cause privilege escalation from exim to root.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28011-SPRSS.txt | x_refsource_MISC |
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cve-2020-28024
Vulnerability from cvelistv5
Published
2021-05-06 04:31
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28024-UNGET.txt | x_refsource_MISC |
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cve-2011-1764
Vulnerability from cvelistv5
Published
2011-10-05 01:00
Modified
2024-08-06 22:37
Severity ?
EPSS score ?
Summary
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
References
| ▼ | URL | Tags |
|---|---|---|
| http://secunia.com/advisories/51155 | third-party-advisory, x_refsource_SECUNIA | |
| http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html | vendor-advisory, x_refsource_SUSE | |
| http://www.debian.org/security/2011/dsa-2232 | vendor-advisory, x_refsource_DEBIAN | |
| http://git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=702474 | x_refsource_CONFIRM | |
| http://bugs.exim.org/show_bug.cgi?id=1106 | x_refsource_CONFIRM | |
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670 | x_refsource_CONFIRM |
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cve-2025-26794
Vulnerability from cvelistv5
Published
2025-02-21 00:00
Modified
2025-02-22 00:09
Severity ?
EPSS score ?
Summary
Exim 4.98 before 4.98.1, when SQLite hints and ETRN serialization are used, allows remote SQL injection.
References
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cve-2016-1531
Vulnerability from cvelistv5
Published
2016-04-07 23:00
Modified
2024-08-05 23:02
Severity ?
EPSS score ?
Summary
Exim before 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.debian.org/security/2016/dsa-3517 | vendor-advisory, x_refsource_DEBIAN | |
| https://www.exploit-db.com/exploits/39535/ | exploit, x_refsource_EXPLOIT-DB | |
| http://www.securitytracker.com/id/1035512 | vdb-entry, x_refsource_SECTRACK | |
| http://packetstormsecurity.com/files/136124/Exim-4.84-3-Local-Root-Privilege-Escalation.html | x_refsource_MISC | |
| http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00026.html | vendor-advisory, x_refsource_SUSE | |
| https://www.exploit-db.com/exploits/39702/ | exploit, x_refsource_EXPLOIT-DB | |
| http://www.ubuntu.com/usn/USN-2933-1 | vendor-advisory, x_refsource_UBUNTU | |
| http://www.exim.org/static/doc/CVE-2016-1531.txt | x_refsource_CONFIRM | |
| http://www.rapid7.com/db/modules/exploit/unix/local/exim_perl_startup | x_refsource_MISC | |
| https://www.exploit-db.com/exploits/39549/ | exploit, x_refsource_EXPLOIT-DB |
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cve-2011-1407
Vulnerability from cvelistv5
Published
2011-05-16 18:00
Modified
2024-08-06 22:28
Severity ?
EPSS score ?
Summary
The DKIM implementation in Exim 4.7x before 4.76 permits matching for DKIM identities to apply to lookup items, instead of only strings, which allows remote attackers to execute arbitrary code or access a filesystem via a crafted identity.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.ubuntu.com/usn/USN-1135-1 | vendor-advisory, x_refsource_UBUNTU | |
| https://lists.exim.org/lurker/message/20110512.102909.8136175a.en.html | mailing-list, x_refsource_MLIST | |
| http://www.debian.org/security/2011/dsa-2236 | vendor-advisory, x_refsource_DEBIAN | |
| https://lists.exim.org/lurker/message/20110509.091632.daed0206.en.html | mailing-list, x_refsource_MLIST | |
| http://www.securityfocus.com/bid/47836 | vdb-entry, x_refsource_BID |
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cve-2019-15846
Vulnerability from cvelistv5
Published
2019-09-06 10:15
Modified
2024-08-05 01:03
Severity ?
EPSS score ?
Summary
Exim before 4.92.2 allows remote attackers to execute arbitrary code as root via a trailing backslash.
References
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cve-2023-51766
Vulnerability from cvelistv5
Published
2023-12-24 00:00
Modified
2024-08-02 22:48
Severity ?
EPSS score ?
Summary
Exim before 4.97.1 allows SMTP smuggling in certain PIPELINING/CHUNKING configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because Exim supports <LF>.<CR><LF> but some other popular e-mail servers do not.
References
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cve-2021-27216
Vulnerability from cvelistv5
Published
2021-05-06 04:44
Modified
2024-08-03 20:40
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By leveraging a delete_pid_file race condition, a local user can delete arbitrary files as root. This involves the -oP and -oPX options.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28007-LFDIR.txt | x_refsource_MISC |
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cve-2017-1000369
Vulnerability from cvelistv5
Published
2017-06-19 16:00
Modified
2024-08-05 22:00
Severity ?
EPSS score ?
Summary
Exim supports the use of multiple "-p" command line arguments which are malloc()'ed and never free()'ed, used in conjunction with other issues allows attackers to cause arbitrary code execution. This affects exim version 4.89 and earlier. Please note that at this time upstream has released a patch (commit 65e061b76867a9ea7aeeb535341b790b90ae6c21), but it is not known if a new point release is available that addresses this issue at this time.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/Exim/exim/commit/65e061b76867a9ea7aeeb535341b790b90ae6c21 | x_refsource_MISC | |
| http://www.securitytracker.com/id/1038779 | vdb-entry, x_refsource_SECTRACK | |
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cve-2020-28025
Vulnerability from cvelistv5
Published
2021-05-06 04:36
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28025-BHASH.txt | x_refsource_MISC |
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cve-2020-28008
Vulnerability from cvelistv5
Published
2021-05-06 03:07
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the spool directory (owned by a non-root user), an attacker can write to a /var/spool/exim4/input spool header file, in which a crafted recipient address can indirectly lead to command execution.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28008-SPDIR.txt | x_refsource_MISC |
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cve-2017-16944
Vulnerability from cvelistv5
Published
2017-11-25 17:00
Modified
2024-08-05 20:43
Severity ?
EPSS score ?
Summary
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.
References
| ▼ | URL | Tags |
|---|---|---|
| https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html | x_refsource_MISC | |
| http://openwall.com/lists/oss-security/2017/11/25/3 | x_refsource_MISC | |
| https://bugs.exim.org/show_bug.cgi?id=2201 | x_refsource_MISC | |
| http://openwall.com/lists/oss-security/2017/11/25/1 | x_refsource_MISC | |
| http://www.securitytracker.com/id/1039873 | vdb-entry, x_refsource_SECTRACK | |
| http://openwall.com/lists/oss-security/2017/11/25/2 | x_refsource_MISC | |
| https://www.debian.org/security/2017/dsa-4053 | vendor-advisory, x_refsource_DEBIAN | |
| https://www.exploit-db.com/exploits/43184/ | exploit, x_refsource_EXPLOIT-DB | |
| http://www.openwall.com/lists/oss-security/2021/05/04/7 | mailing-list, x_refsource_MLIST |
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cve-2017-16943
Vulnerability from cvelistv5
Published
2017-11-25 17:00
Modified
2024-08-05 20:43
Severity ?
EPSS score ?
Summary
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1039872 | vdb-entry, x_refsource_SECTRACK | |
| https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html | x_refsource_MISC | |
| https://git.exim.org/exim.git/commit/4090d62a4b25782129cc1643596dc2f6e8f63bde | x_refsource_MISC | |
| http://openwall.com/lists/oss-security/2017/11/25/3 | x_refsource_MISC | |
| https://github.com/LetUsFsck/PoC-Exploit-Mirror/tree/master/CVE-2017-16944 | x_refsource_MISC | |
| http://openwall.com/lists/oss-security/2017/11/25/1 | x_refsource_MISC | |
| https://git.exim.org/exim.git/commitdiff/4e6ae6235c68de243b1c2419027472d7659aa2b4 | x_refsource_MISC | |
| http://openwall.com/lists/oss-security/2017/11/25/2 | x_refsource_MISC | |
| https://www.debian.org/security/2017/dsa-4053 | vendor-advisory, x_refsource_DEBIAN | |
| https://bugs.exim.org/show_bug.cgi?id=2199 | x_refsource_MISC | |
| http://www.openwall.com/lists/oss-security/2021/05/04/7 | mailing-list, x_refsource_MLIST |
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cve-2023-42119
Vulnerability from cvelistv5
Published
2024-05-03 02:13
Modified
2024-09-18 18:30
Severity ?
EPSS score ?
Summary
Exim dnsdb Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the service account.
. Was ZDI-CAN-17643.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-23-1473/ | x_research-advisory |
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cve-2020-28010
Vulnerability from cvelistv5
Published
2021-05-06 03:17
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small (on some common platforms).
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28010-SLCWD.txt | x_refsource_MISC | |
| http://www.openwall.com/lists/oss-security/2021/07/22/7 | mailing-list, x_refsource_MLIST |
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cve-2020-28013
Vulnerability from cvelistv5
Published
2021-05-06 03:39
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Heap-based Buffer Overflow because it mishandles "-F '.('" on the command line, and thus may allow privilege escalation from any user to root. This occurs because of the interpretation of negative sizes in strncpy.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28013-PFPSN.txt | x_refsource_MISC |
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cve-2022-37452
Vulnerability from cvelistv5
Published
2022-08-07 17:06
Modified
2024-08-03 10:29
Severity ?
EPSS score ?
Summary
Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/Exim/exim/wiki/EximSecurity | x_refsource_MISC | |
| https://www.exim.org/static/doc/security/ | x_refsource_MISC | |
| https://github.com/ivd38/exim_overflow | x_refsource_MISC | |
| https://www.openwall.com/lists/oss-security/2022/08/06/8 | x_refsource_MISC | |
| https://github.com/Exim/exim/compare/exim-4.94...exim-4.95 | x_refsource_MISC | |
| https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743 | x_refsource_MISC | |
| https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html | mailing-list, x_refsource_MLIST |
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cve-2010-4345
Vulnerability from cvelistv5
Published
2010-12-14 15:00
Modified
2025-02-07 13:33
Severity ?
EPSS score ?
Summary
Exim 4.72 and earlier allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands, as demonstrated by the spool_directory directive.
References
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cve-2023-42116
Vulnerability from cvelistv5
Published
2024-05-03 02:13
Modified
2024-09-18 18:30
Severity ?
EPSS score ?
Summary
Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account.
. Was ZDI-CAN-17515.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-23-1470/ | x_research-advisory |
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cve-2018-6789
Vulnerability from cvelistv5
Published
2018-02-08 23:00
Modified
2025-02-07 14:03
Severity ?
EPSS score ?
Summary
An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.
References
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cve-2020-28026
Vulnerability from cvelistv5
Published
2021-05-06 04:41
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote attackers to execute arbitrary commands as root.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28026-FGETS.txt | x_refsource_MISC |
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cve-2023-42115
Vulnerability from cvelistv5
Published
2024-05-03 02:13
Modified
2024-09-20 19:51
Severity ?
EPSS score ?
Summary
Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of a buffer. An attacker can leverage this vulnerability to execute code in the context of the service account.
. Was ZDI-CAN-17434.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-23-1469/ | x_research-advisory |
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cve-2010-2023
Vulnerability from cvelistv5
Published
2010-06-07 14:00
Modified
2024-08-07 02:17
Severity ?
EPSS score ?
Summary
transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.
References
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cve-2020-8015
Vulnerability from cvelistv5
Published
2020-04-02 07:55
Modified
2024-09-16 19:46
Severity ?
EPSS score ?
Summary
A UNIX Symbolic Link (Symlink) Following vulnerability in the packaging of exim in openSUSE Factory allows local attackers to escalate from user mail to root. This issue affects: openSUSE Factory exim versions prior to 4.93.0.4-3.1.
References
| ▼ | URL | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00010.html | vendor-advisory, x_refsource_SUSE | |
| https://bugzilla.suse.com/show_bug.cgi?id=1154183 | x_refsource_CONFIRM |
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cve-2020-28014
Vulnerability from cvelistv5
Published
2021-05-06 03:43
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. The -oP option is available to the exim user, and allows a denial of service because root-owned files can be overwritten.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28014-PIDFP.txt | x_refsource_MISC |
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cve-2022-3620
Vulnerability from cvelistv5
Published
2022-10-20 00:00
Modified
2024-08-03 01:14
Severity ?
EPSS score ?
Summary
A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| unspecified | Exim |
Version: n/a |
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cve-2021-38371
Vulnerability from cvelistv5
Published
2021-08-10 14:06
Modified
2024-08-04 01:37
Severity ?
EPSS score ?
Summary
The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.
References
| ▼ | URL | Tags |
|---|---|---|
| https://nostarttls.secvuln.info | x_refsource_MISC | |
| https://www.exim.org | x_refsource_MISC | |
| https://www.exim.org/static/doc/security/CVE-2021-38371.txt | x_refsource_MISC |
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cve-2011-0017
Vulnerability from cvelistv5
Published
2011-02-02 00:00
Modified
2024-08-06 21:36
Severity ?
EPSS score ?
Summary
The open_log function in log.c in Exim 4.72 and earlier does not check the return value from (1) setuid or (2) setgid system calls, which allows local users to append log data to arbitrary files via a symlink attack.
References
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cve-2022-37451
Vulnerability from cvelistv5
Published
2022-08-06 17:02
Modified
2024-08-03 10:29
Severity ?
EPSS score ?
Summary
Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/Exim/exim/wiki/EximSecurity | x_refsource_MISC | |
| https://www.exim.org/static/doc/security/ | x_refsource_MISC | |
| https://github.com/ivd38/exim_invalid_free | x_refsource_MISC | |
| https://www.openwall.com/lists/oss-security/2022/08/06/1 | x_refsource_MISC | |
| https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html | x_refsource_MISC | |
| https://cwe.mitre.org/data/definitions/762.html | x_refsource_MISC | |
| https://github.com/Exim/exim/compare/exim-4.95...exim-4.96 | x_refsource_MISC | |
| https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42 | x_refsource_MISC | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/ | vendor-advisory, x_refsource_FEDORA | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/ | vendor-advisory, x_refsource_FEDORA |
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cve-2020-28020
Vulnerability from cvelistv5
Published
2021-05-06 04:10
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28020-HSIZE.txt | x_refsource_MISC | |
| http://www.openwall.com/lists/oss-security/2021/07/25/1 | mailing-list, x_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2021/08/03/1 | mailing-list, x_refsource_MLIST |
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cve-2020-28012
Vulnerability from cvelistv5
Published
2021-05-06 03:33
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Exposure of File Descriptor to Unintended Control Sphere because rda_interpret uses a privileged pipe that lacks a close-on-exec flag.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28012-CLOSE.txt | x_refsource_MISC |
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cve-2019-16928
Vulnerability from cvelistv5
Published
2019-09-27 20:07
Modified
2025-02-04 20:04
Severity ?
EPSS score ?
Summary
Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.
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cve-2020-28016
Vulnerability from cvelistv5
Published
2021-05-06 03:51
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows an off-by-two Out-of-bounds Write because "-F ''" is mishandled by parse_fix_phrase.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28016-PFPZA.txt | x_refsource_MISC |
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cve-2020-12783
Vulnerability from cvelistv5
Published
2020-05-11 13:51
Modified
2024-08-04 12:04
Severity ?
EPSS score ?
Summary
Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.
References
| ▼ | URL | Tags |
|---|---|---|
| https://bugs.exim.org/show_bug.cgi?id=2571 | x_refsource_CONFIRM | |
| https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86 | x_refsource_CONFIRM | |
| https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0 | x_refsource_CONFIRM | |
| https://www.debian.org/security/2020/dsa-4687 | vendor-advisory, x_refsource_DEBIAN | |
| https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html | mailing-list, x_refsource_MLIST | |
| https://usn.ubuntu.com/4366-1/ | vendor-advisory, x_refsource_UBUNTU | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/ | vendor-advisory, x_refsource_FEDORA | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/ | vendor-advisory, x_refsource_FEDORA | |
| http://www.openwall.com/lists/oss-security/2021/05/04/7 | mailing-list, x_refsource_MLIST |
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cve-2020-28018
Vulnerability from cvelistv5
Published
2021-05-06 03:58
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28018-OCORK.txt | x_refsource_MISC | |
| http://www.openwall.com/lists/oss-security/2021/05/11/5 | mailing-list, x_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2021/05/11/6 | mailing-list, x_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2021/05/11/17 | mailing-list, x_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2021/05/11/15 | mailing-list, x_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2021/05/11/14 | mailing-list, x_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2021/05/12/2 | mailing-list, x_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2021/05/12/3 | mailing-list, x_refsource_MLIST |
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cve-2020-28023
Vulnerability from cvelistv5
Published
2021-05-06 04:24
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Out-of-bounds Read. smtp_setup_msg may disclose sensitive information from process memory to an unauthenticated SMTP client.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28023-SCHAD.txt | x_refsource_MISC |
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cve-2019-10149
Vulnerability from cvelistv5
Published
2019-06-05 00:00
Modified
2025-02-07 13:31
Severity ?
EPSS score ?
Summary
A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
References
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cve-2014-2972
Vulnerability from cvelistv5
Published
2014-09-04 17:00
Modified
2024-08-06 10:28
Severity ?
EPSS score ?
Summary
expand.c in Exim before 4.83 expands mathematical comparisons twice, which allows local users to gain privileges and execute arbitrary commands via a crafted lookup value.
References
| ▼ | URL | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136264.html | vendor-advisory, x_refsource_FEDORA | |
| http://git.exim.org/exim.git/commitdiff/7685ce68148a083d7759e78d01aa5198fc099c44 | x_refsource_CONFIRM | |
| http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136251.html | vendor-advisory, x_refsource_FEDORA | |
| https://lists.exim.org/lurker/message/20140722.145949.42c043f5.en.html | mailing-list, x_refsource_MLIST | |
| https://lists.exim.org/lurker/message/20140722.152452.d6c019e8.en.html | mailing-list, x_refsource_MLIST | |
| https://security.gentoo.org/glsa/201607-12 | vendor-advisory, x_refsource_GENTOO | |
| http://www.ubuntu.com/usn/USN-2933-1 | vendor-advisory, x_refsource_UBUNTU | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1122552 | x_refsource_CONFIRM |
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cve-2020-28021
Vulnerability from cvelistv5
Published
2021-05-06 04:16
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28021-MAUTH.txt | x_refsource_MISC |
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cve-2022-3559
Vulnerability from cvelistv5
Published
2022-10-17 00:00
Modified
2024-08-03 01:14
Severity ?
EPSS score ?
Summary
A vulnerability was found in Exim and classified as problematic. This issue affects some unknown processing of the component Regex Handler. The manipulation leads to use after free. The name of the patch is 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2. It is recommended to apply a patch to fix this issue. The identifier VDB-211073 was assigned to this vulnerability.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| unspecified | Exim |
Version: n/a |
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cve-2010-2024
Vulnerability from cvelistv5
Published
2010-06-07 14:00
Modified
2024-08-07 02:17
Severity ?
EPSS score ?
Summary
transports/appendfile.c in Exim before 4.72, when MBX locking is enabled, allows local users to change permissions of arbitrary files or create arbitrary files, and cause a denial of service or possibly gain privileges, via a symlink attack on a lockfile in /tmp/.
References
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cve-2020-28022
Vulnerability from cvelistv5
Published
2021-05-06 04:20
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28022-EXOPT.txt | x_refsource_MISC |
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cve-2016-9963
Vulnerability from cvelistv5
Published
2017-02-01 15:00
Modified
2024-08-06 03:07
Severity ?
EPSS score ?
Summary
Exim before 4.87.1 might allow remote attackers to obtain the private DKIM signing key via vectors related to log files and bounce messages.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.debian.org/security/2016/dsa-3747 | vendor-advisory, x_refsource_DEBIAN | |
| http://www.exim.org/static/doc/CVE-2016-9963.txt | x_refsource_CONFIRM | |
| http://www.ubuntu.com/usn/USN-3164-1 | vendor-advisory, x_refsource_UBUNTU | |
| https://bugs.exim.org/show_bug.cgi?id=1996 | x_refsource_CONFIRM | |
| http://www.securitytracker.com/id/1037484 | vdb-entry, x_refsource_SECTRACK | |
| http://www.securityfocus.com/bid/94947 | vdb-entry, x_refsource_BID |
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cve-2023-42117
Vulnerability from cvelistv5
Published
2024-05-03 02:13
Modified
2024-08-02 19:16
Severity ?
EPSS score ?
Summary
Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17554.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-23-1471/ | x_research-advisory |
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cve-2020-28017
Vulnerability from cvelistv5
Published
2021-05-06 03:55
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow in receive_add_recipient via an e-mail message with fifty million recipients. NOTE: remote exploitation may be difficult because of resource consumption.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28017-RCPTL.txt | x_refsource_MISC |
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cve-2020-28019
Vulnerability from cvelistv5
Published
2021-05-06 04:03
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28019-BDATA.txt | x_refsource_MISC |
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cve-2012-5671
Vulnerability from cvelistv5
Published
2012-10-31 16:00
Modified
2024-08-06 21:14
Severity ?
EPSS score ?
Summary
Heap-based buffer overflow in the dkim_exim_query_dns_txt function in dkim.c in Exim 4.70 through 4.80, when DKIM support is enabled and acl_smtp_connect and acl_smtp_rcpt are not set to "warn control = dkim_disable_verify," allows remote attackers to execute arbitrary code via an email from a malicious DNS server.
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cve-2014-2957
Vulnerability from cvelistv5
Published
2014-09-04 17:00
Modified
2024-08-06 10:28
Severity ?
EPSS score ?
Summary
The dmarc_process function in dmarc.c in Exim before 4.82.1, when EXPERIMENTAL_DMARC is enabled, allows remote attackers to execute arbitrary code via the From header in an email, which is passed to the expand_string function.
References
| ▼ | URL | Tags |
|---|---|---|
| https://lists.exim.org/lurker/message/20140528.122536.a31d60a4.en.html | mailing-list, x_refsource_MLIST | |
| http://git.exim.org/exim.git/commitdiff/5b7a7c051c9ab9ee7c924a611f90ef2be03e0ad0 | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2021/05/04/7 | mailing-list, x_refsource_MLIST |
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"refsource": "CONFIRM",
"url": "http://git.exim.org/exim.git/commitdiff/5b7a7c051c9ab9ee7c924a611f90ef2be03e0ad0"
},
{
"name": "[oss-security] 20210504 21Nails: Multiple vulnerabilities in Exim",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2021/05/04/7"
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"cveMetadata": {
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"assignerShortName": "certcc",
"cveId": "CVE-2014-2957",
"datePublished": "2014-09-04T17:00:00",
"dateReserved": "2014-04-21T00:00:00",
"dateUpdated": "2024-08-06T10:28:46.230Z",
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Vulnerability from fkie_nvd
Published
2017-11-25 17:29
Modified
2024-11-21 03:17
Severity ?
Summary
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.
References
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Vulnerability from fkie_nvd
Published
2019-09-27 21:15
Modified
2025-02-04 20:15
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| canonical | ubuntu_linux | 19.04 | |
| debian | debian_linux | 10.0 | |
| fedoraproject | fedora | 29 | |
| fedoraproject | fedora | 30 | |
| fedoraproject | fedora | 31 |
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}
],
"id": "CVE-2019-16928",
"lastModified": "2025-02-04T20:15:33.203",
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"published": "2019-09-27T21:15:10.017",
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{
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{
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},
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{
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"url": "https://usn.ubuntu.com/4141-1/"
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{
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"tags": [
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
References
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},
{
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"value": "Exim 4 versiones anteriores a 4.94.2, permite una lectura fuera de l\u00edmites porque pdkim_finish_bodyhash no comprueba la relaci\u00f3n entre sig-)bodyhash.len y b-)bh.len;\u0026#xa0;por lo tanto, un encabezado DKIM-Signature dise\u00f1ado podr\u00eda conllevar una filtraci\u00f3n de informaci\u00f3n confidencial de la memoria del proceso"
}
],
"id": "CVE-2020-28025",
"lastModified": "2024-11-21T05:22:13.940",
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}
Vulnerability from fkie_nvd
Published
2014-09-04 17:55
Modified
2024-11-21 02:07
Severity ?
Summary
The dmarc_process function in dmarc.c in Exim before 4.82.1, when EXPERIMENTAL_DMARC is enabled, allows remote attackers to execute arbitrary code via the From header in an email, which is passed to the expand_string function.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| exim | exim | 4.00 | |
| exim | exim | 4.01 | |
| exim | exim | 4.02 | |
| exim | exim | 4.03 | |
| exim | exim | 4.04 | |
| exim | exim | 4.05 | |
| exim | exim | 4.10 | |
| exim | exim | 4.11 | |
| exim | exim | 4.12 | |
| exim | exim | 4.14 | |
| exim | exim | 4.20 | |
| exim | exim | 4.21 | |
| exim | exim | 4.22 | |
| exim | exim | 4.23 | |
| exim | exim | 4.24 | |
| exim | exim | 4.30 | |
| exim | exim | 4.31 | |
| exim | exim | 4.32 | |
| exim | exim | 4.33 | |
| exim | exim | 4.34 | |
| exim | exim | 4.40 | |
| exim | exim | 4.41 | |
| exim | exim | 4.42 | |
| exim | exim | 4.43 | |
| exim | exim | 4.44 | |
| exim | exim | 4.50 | |
| exim | exim | 4.51 | |
| exim | exim | 4.52 | |
| exim | exim | 4.53 | |
| exim | exim | 4.54 | |
| exim | exim | 4.60 | |
| exim | exim | 4.61 | |
| exim | exim | 4.62 | |
| exim | exim | 4.63 | |
| exim | exim | 4.64 | |
| exim | exim | 4.65 | |
| exim | exim | 4.66 | |
| exim | exim | 4.67 | |
| exim | exim | 4.68 | |
| exim | exim | 4.69 | |
| exim | exim | 4.70 | |
| exim | exim | 4.71 | |
| exim | exim | 4.72 | |
| exim | exim | 4.73 | |
| exim | exim | 4.74 | |
| exim | exim | 4.75 | |
| exim | exim | 4.76 | |
| exim | exim | 4.77 | |
| exim | exim | 4.80 | |
| exim | exim | 4.80.1 |
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},
{
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}
],
"id": "CVE-2014-2957",
"lastModified": "2024-11-21T02:07:14.483",
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}
Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.
References
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote attackers to execute arbitrary commands as root.
References
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}
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},
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"lang": "es",
"value": "Exim 4 versiones anteriores a 4.94.2, presenta una Neutralizaci\u00f3n Inapropiada de Delimitadores de L\u00ednea, relevante en configuraciones no predeterminadas que habilitan la Delivery Status Notification (DSN).\u0026#xa0;Determinados usos de ORCPT= pueden colocar una nueva l\u00ednea en un archivo de encabezado spool e indirectamente permitir que atacantes remotos no autenticados ejecutarn comandos arbitrarios como root"
}
],
"id": "CVE-2020-28026",
"lastModified": "2024-11-21T05:22:14.077",
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the spool directory (owned by a non-root user), an attacker can write to a /var/spool/exim4/input spool header file, in which a crafted recipient address can indirectly lead to command execution.
References
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},
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}
],
"id": "CVE-2020-28008",
"lastModified": "2024-11-21T05:22:11.383",
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"vulnStatus": "Modified",
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]
}
Vulnerability from fkie_nvd
Published
2019-09-06 11:15
Modified
2024-11-21 04:29
Severity ?
Summary
Exim before 4.92.2 allows remote attackers to execute arbitrary code as root via a trailing backslash.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| debian | debian_linux | 8.0 | |
| debian | debian_linux | 9.0 | |
| debian | debian_linux | 10.0 |
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"url": "https://usn.ubuntu.com/4124-2/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.debian.org/security/2019/dsa-4517"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.kb.cert.org/vuls/id/672565"
},
{
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"tags": [
"Mailing List",
"Third Party Advisory"
],
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}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
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{
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"value": "NVD-CWE-noinfo"
}
],
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"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2019-06-05 14:29
Modified
2024-11-21 04:18
Severity ?
Summary
A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| canonical | ubuntu_linux | 18.04 | |
| canonical | ubuntu_linux | 18.10 | |
| debian | debian_linux | 9.0 |
{
"cisaActionDue": "2022-07-10",
"cisaExploitAdd": "2022-01-10",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Exim Mail Transfer Agent (MTA) Improper Input Validation",
"configurations": [
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}
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},
{
"lang": "es",
"value": "Se descubri\u00f3 un defecto Exim versiones 4.87 a la 4.91 (incluida). Una validaci\u00f3n incorrecta de la direcci\u00f3n del recipiente en la funci\u00f3n deliver_message() en /src/deliver.c puede llevar a ejecutar comandos remotos"
}
],
"id": "CVE-2019-10149",
"lastModified": "2024-11-21T04:18:31.237",
"metrics": {
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"published": "2019-06-05T14:29:11.293",
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{
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},
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},
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},
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},
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},
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{
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"tags": [
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149"
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},
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},
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},
{
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"tags": [
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"url": "https://www.exim.org/static/doc/security/CVE-2019-10149.txt"
},
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"tags": [
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149"
},
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},
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},
{
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}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
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"source": "nvd@nist.gov",
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}
Vulnerability from fkie_nvd
Published
2016-04-07 23:59
Modified
2024-11-21 02:46
Severity ?
Summary
Exim before 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument.
References
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}
],
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"published": "2016-04-07T23:59:04.847",
"references": [
{
"source": "cret@cert.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00026.html"
},
{
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"tags": [
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},
{
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"url": "http://www.debian.org/security/2016/dsa-3517"
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"tags": [
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},
{
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"url": "http://www.rapid7.com/db/modules/exploit/unix/local/exim_perl_startup"
},
{
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"url": "http://www.securitytracker.com/id/1035512"
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2016/dsa-3517"
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"tags": [
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"url": "http://www.exim.org/static/doc/CVE-2016-1531.txt"
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{
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"url": "http://www.rapid7.com/db/modules/exploit/unix/local/exim_perl_startup"
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{
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"url": "https://www.exploit-db.com/exploits/39549/"
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{
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"url": "https://www.exploit-db.com/exploits/39702/"
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],
"sourceIdentifier": "cret@cert.org",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
{
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"value": "CWE-264"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2023-12-24 06:15
Modified
2024-11-21 08:38
Severity ?
Summary
Exim before 4.97.1 allows SMTP smuggling in certain PIPELINING/CHUNKING configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because Exim supports <LF>.<CR><LF> but some other popular e-mail servers do not.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| fedoraproject | extra_packages_for_enterprise_linux | 7.0 | |
| fedoraproject | extra_packages_for_enterprise_linux | 8.0 | |
| fedoraproject | extra_packages_for_enterprise_linux | 9.0 | |
| fedoraproject | fedora | 38 | |
| fedoraproject | fedora | 39 | |
| debian | debian_linux | 10.0 |
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}
Vulnerability from fkie_nvd
Published
2010-12-14 16:00
Modified
2025-02-07 14:15
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Exim 4.72 and earlier allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands, as demonstrated by the spool_directory directive.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| opensuse | opensuse | 11.1 | |
| opensuse | opensuse | 11.2 | |
| opensuse | opensuse | 11.3 | |
| debian | debian_linux | 5.0 | |
| canonical | ubuntu_linux | 6.06 | |
| canonical | ubuntu_linux | 8.04 | |
| canonical | ubuntu_linux | 9.10 | |
| canonical | ubuntu_linux | 10.04 | |
| canonical | ubuntu_linux | 10.10 |
{
"cisaActionDue": "2022-04-15",
"cisaExploitAdd": "2022-03-25",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Exim Privilege Escalation Vulnerability",
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],
"cveTags": [],
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"lang": "en",
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},
{
"lang": "es",
"value": "Exim v4.72 y anteriores permiten a usuarios locales ganar privilegios potenciando la habilidad especificar un archivo de cuenta de usuario con una configuraci\u00f3n alternativa mediante una directiva que contenga comandos de su elecci\u00f3n, como se demostr\u00f3 con la directiva spool_directory."
}
],
"id": "CVE-2010-4345",
"lastModified": "2025-02-07T14:15:33.370",
"metrics": {
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA.
References
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Vulnerability from fkie_nvd
Published
2022-10-20 20:15
Modified
2024-11-21 07:19
Severity ?
5.6 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | 2022-10-18 | |
| fedoraproject | fedora | 35 | |
| fedoraproject | fedora | 36 | |
| fedoraproject | fedora | 37 |
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Vulnerability from fkie_nvd
Published
2010-12-14 16:00
Modified
2025-02-07 14:15
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| opensuse | opensuse | 11.1 | |
| opensuse | opensuse | 11.2 | |
| opensuse | opensuse | 11.3 | |
| debian | debian_linux | 5.0 | |
| canonical | ubuntu_linux | 6.06 | |
| canonical | ubuntu_linux | 8.04 | |
| canonical | ubuntu_linux | 9.10 |
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Vulnerability from fkie_nvd
Published
2017-06-19 16:29
Modified
2024-11-21 03:04
Severity ?
Summary
Exim supports the use of multiple "-p" command line arguments which are malloc()'ed and never free()'ed, used in conjunction with other issues allows attackers to cause arbitrary code execution. This affects exim version 4.89 and earlier. Please note that at this time upstream has released a patch (commit 65e061b76867a9ea7aeeb535341b790b90ae6c21), but it is not known if a new point release is available that addresses this issue at this time.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| exim | exim | 4.88 | |
| exim | exim | 4.88 | |
| exim | exim | 4.88 | |
| exim | exim | 4.88 | |
| exim | exim | 4.88 | |
| exim | exim | 4.88 | |
| exim | exim | 4.88 | |
| exim | exim | 4.89 | |
| exim | exim | 4.89 | |
| exim | exim | 4.89 | |
| exim | exim | 4.89 | |
| exim | exim | 4.89 | |
| exim | exim | 4.89 | |
| exim | exim | 4.89 | |
| exim | exim | 4.89 | |
| debian | debian_linux | 8.0 | |
| debian | debian_linux | 9.0 |
{
"configurations": [
{
"nodes": [
{
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Vulnerability from fkie_nvd
Published
2014-09-04 17:55
Modified
2024-11-21 02:07
Severity ?
Summary
expand.c in Exim before 4.83 expands mathematical comparisons twice, which allows local users to gain privileges and execute arbitrary commands via a crafted lookup value.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| exim | exim | 4.00 | |
| exim | exim | 4.01 | |
| exim | exim | 4.02 | |
| exim | exim | 4.03 | |
| exim | exim | 4.04 | |
| exim | exim | 4.05 | |
| exim | exim | 4.10 | |
| exim | exim | 4.11 | |
| exim | exim | 4.12 | |
| exim | exim | 4.14 | |
| exim | exim | 4.20 | |
| exim | exim | 4.21 | |
| exim | exim | 4.22 | |
| exim | exim | 4.23 | |
| exim | exim | 4.24 | |
| exim | exim | 4.30 | |
| exim | exim | 4.31 | |
| exim | exim | 4.32 | |
| exim | exim | 4.33 | |
| exim | exim | 4.34 | |
| exim | exim | 4.40 | |
| exim | exim | 4.41 | |
| exim | exim | 4.42 | |
| exim | exim | 4.43 | |
| exim | exim | 4.44 | |
| exim | exim | 4.50 | |
| exim | exim | 4.51 | |
| exim | exim | 4.52 | |
| exim | exim | 4.53 | |
| exim | exim | 4.54 | |
| exim | exim | 4.60 | |
| exim | exim | 4.61 | |
| exim | exim | 4.62 | |
| exim | exim | 4.63 | |
| exim | exim | 4.64 | |
| exim | exim | 4.65 | |
| exim | exim | 4.66 | |
| exim | exim | 4.67 | |
| exim | exim | 4.68 | |
| exim | exim | 4.69 | |
| exim | exim | 4.70 | |
| exim | exim | 4.71 | |
| exim | exim | 4.72 | |
| exim | exim | 4.73 | |
| exim | exim | 4.74 | |
| exim | exim | 4.75 | |
| exim | exim | 4.76 | |
| exim | exim | 4.77 | |
| exim | exim | 4.80 | |
| exim | exim | 4.80.1 | |
| exim | exim | 4.82 |
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows an off-by-two Out-of-bounds Write because "-F ''" is mishandled by parse_fix_phrase.
References
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Vulnerability from fkie_nvd
Published
2017-11-25 17:29
Modified
2024-11-21 03:17
Severity ?
Summary
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.
References
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Vulnerability from fkie_nvd
Published
2020-04-02 08:15
Modified
2024-11-21 05:38
Severity ?
8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A UNIX Symbolic Link (Symlink) Following vulnerability in the packaging of exim in openSUSE Factory allows local attackers to escalate from user mail to root. This issue affects: openSUSE Factory exim versions prior to 4.93.0.4-3.1.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| meissner@suse.de | http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00010.html | ||
| meissner@suse.de | https://bugzilla.suse.com/show_bug.cgi?id=1154183 | Exploit, Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00010.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.suse.com/show_bug.cgi?id=1154183 | Exploit, Issue Tracking, Vendor Advisory |
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Vulnerability from fkie_nvd
Published
2022-10-17 18:15
Modified
2024-11-21 07:19
Severity ?
4.6 (Medium) - CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability was found in Exim and classified as problematic. This issue affects some unknown processing of the component Regex Handler. The manipulation leads to use after free. The name of the patch is 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2. It is recommended to apply a patch to fix this issue. The identifier VDB-211073 was assigned to this vulnerability.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | - | |
| fedoraproject | fedora | 35 | |
| fedoraproject | fedora | 36 | |
| fedoraproject | fedora | 37 |
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Vulnerability from fkie_nvd
Published
2020-05-11 14:15
Modified
2024-11-21 05:00
Severity ?
Summary
Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| fedoraproject | fedora | 31 | |
| fedoraproject | fedora | 32 | |
| debian | debian_linux | 8.0 | |
| debian | debian_linux | 9.0 | |
| debian | debian_linux | 10.0 | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 18.04 | |
| canonical | ubuntu_linux | 19.10 | |
| canonical | ubuntu_linux | 20.04 |
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Vulnerability from fkie_nvd
Published
2021-08-10 15:15
Modified
2024-11-21 06:16
Severity ?
Summary
The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://nostarttls.secvuln.info | Tool Signature | |
| cve@mitre.org | https://www.exim.org | Product | |
| cve@mitre.org | https://www.exim.org/static/doc/security/CVE-2021-38371.txt | Broken Link, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://nostarttls.secvuln.info | Tool Signature | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.exim.org | Product | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.exim.org/static/doc/security/CVE-2021-38371.txt | Broken Link, Vendor Advisory |
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"url": "https://www.exim.org/static/doc/security/CVE-2021-38371.txt"
}
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
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Vulnerability from fkie_nvd
Published
2010-06-07 17:12
Modified
2024-11-21 01:15
Severity ?
Summary
transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| exim | exim | 4.10 | |
| exim | exim | 4.20 | |
| exim | exim | 4.21 | |
| exim | exim | 4.22 | |
| exim | exim | 4.23 | |
| exim | exim | 4.24 | |
| exim | exim | 4.30 | |
| exim | exim | 4.31 | |
| exim | exim | 4.32 | |
| exim | exim | 4.33 | |
| exim | exim | 4.34 | |
| exim | exim | 4.40 | |
| exim | exim | 4.41 | |
| exim | exim | 4.42 | |
| exim | exim | 4.43 | |
| exim | exim | 4.44 | |
| exim | exim | 4.50 | |
| exim | exim | 4.51 | |
| exim | exim | 4.52 | |
| exim | exim | 4.53 | |
| exim | exim | 4.54 | |
| exim | exim | 4.60 | |
| exim | exim | 4.61 | |
| exim | exim | 4.62 | |
| exim | exim | 4.63 | |
| exim | exim | 4.64 | |
| exim | exim | 4.65 | |
| exim | exim | 4.66 | |
| exim | exim | 4.67 | |
| exim | exim | 4.68 | |
| exim | exim | 4.69 | |
| exim | exim | 4.70 |
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}
],
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"metrics": {
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"url": "http://bugs.exim.org/show_bug.cgi?id=988"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=600093"
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},
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}
Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.
References
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],
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}
]
}
Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Heap-based Buffer Overflow in queue_run via two sender options: -R and -S. This may cause privilege escalation from exim to root.
References
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"value": "Exim 4 versiones anteriores a 4.94.2 permite un Desbordamiento de B\u00fafer en la Regi\u00f3n Heap de la Memoria en la funci\u00f3n queue_run por medio de dos opciones de remitente: -R y -S.\u0026#xa0;Esto puede causar una escalada de privilegios de exim a root"
}
],
"id": "CVE-2020-28011",
"lastModified": "2024-11-21T05:22:11.820",
"metrics": {
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"tags": [
"Vendor Advisory"
],
"url": "https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28011-SPRSS.txt"
},
{
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],
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}
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]
}
Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Out-of-bounds Read. smtp_setup_msg may disclose sensitive information from process memory to an unauthenticated SMTP client.
References
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},
{
"lang": "es",
"value": "Exim 4 versiones anteriores a 4.94.2, permite una lectura fuera de l\u00edmites.\u0026#xa0;La funci\u00f3n smtp_setup_msg puede divulgar informaci\u00f3n confidencial de la memoria del proceso a un cliente SMTP no autenticado"
}
],
"id": "CVE-2020-28023",
"lastModified": "2024-11-21T05:22:13.633",
"metrics": {
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"scope": "UNCHANGED",
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},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-05-06T13:15:09.697",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28023-SCHAD.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28023-SCHAD.txt"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2011-05-16 18:55
Modified
2024-11-21 01:26
Severity ?
Summary
The DKIM implementation in Exim 4.7x before 4.76 permits matching for DKIM identities to apply to lookup items, instead of only strings, which allows remote attackers to execute arbitrary code or access a filesystem via a crafted identity.
References
Impacted products
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}
],
"id": "CVE-2011-1407",
"lastModified": "2024-11-21T01:26:14.700",
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"published": "2011-05-16T18:55:00.730",
"references": [
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2011/dsa-2236"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/47836"
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"vulnStatus": "Modified",
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}
]
}
Vulnerability from fkie_nvd
Published
2019-07-25 20:15
Modified
2024-11-21 04:25
Severity ?
Summary
Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain).
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | http://exim.org/static/doc/security/CVE-2019-13917.txt | Patch, Vendor Advisory | |
| cve@mitre.org | http://www.openwall.com/lists/oss-security/2019/07/26/5 | Third Party Advisory | |
| cve@mitre.org | https://seclists.org/bugtraq/2019/Jul/51 | Third Party Advisory | |
| cve@mitre.org | https://security.gentoo.org/glsa/201909-06 | ||
| cve@mitre.org | https://www.debian.org/security/2019/dsa-4488 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://exim.org/static/doc/security/CVE-2019-13917.txt | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2019/07/26/5 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://seclists.org/bugtraq/2019/Jul/51 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://security.gentoo.org/glsa/201909-06 | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://www.debian.org/security/2019/dsa-4488 | Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| debian | debian_linux | 9.0 | |
| debian | debian_linux | 10.0 |
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},
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"lang": "es",
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}
],
"id": "CVE-2019-13917",
"lastModified": "2024-11-21T04:25:41.710",
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"url": "https://security.gentoo.org/glsa/201909-06"
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}
Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. The -oP option is available to the exim user, and allows a denial of service because root-owned files can be overwritten.
References
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},
{
"lang": "es",
"value": "Exim 4 versiones anteriores a 4.94.2, permite una ejecuci\u00f3n con Privilegios Innecesarios.\u0026#xa0;La opci\u00f3n -oP est\u00e1 disponible para el usuario de exim y permite una denegaci\u00f3n de servicio porque los archivos de propiedad root se pueden sobrescribir"
}
],
"id": "CVE-2020-28014",
"lastModified": "2024-11-21T05:22:12.270",
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"version": "2.0"
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},
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},
"published": "2021-05-06T13:15:09.457",
"references": [
{
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"tags": [
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},
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"tags": [
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],
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}
],
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"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-269"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2012-10-31 16:55
Modified
2024-11-21 01:45
Severity ?
Summary
Heap-based buffer overflow in the dkim_exim_query_dns_txt function in dkim.c in Exim 4.70 through 4.80, when DKIM support is enabled and acl_smtp_connect and acl_smtp_rcpt are not set to "warn control = dkim_disable_verify," allows remote attackers to execute arbitrary code via an email from a malicious DNS server.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Exposure of File Descriptor to Unintended Control Sphere because rda_interpret uses a privileged pipe that lacks a close-on-exec flag.
References
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands.
References
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. Local users can alter the behavior of root processes because a recipient address can have a newline character.
References
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small (on some common platforms).
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | http://www.openwall.com/lists/oss-security/2021/07/22/7 | Mailing List, Third Party Advisory | |
| cve@mitre.org | https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28010-SLCWD.txt | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2021/07/22/7 | Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28010-SLCWD.txt | Vendor Advisory |
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow because get_stdinput allows unbounded reads that are accompanied by unbounded increases in a certain size variable. NOTE: exploitation may be impractical because of the execution time needed to overflow (multiple days).
References
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Vulnerability from fkie_nvd
Published
2017-02-01 15:59
Modified
2024-11-21 03:02
Severity ?
Summary
Exim before 4.87.1 might allow remote attackers to obtain the private DKIM signing key via vectors related to log files and bounce messages.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| canonical | ubuntu_linux | 12.04 | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 16.10 | |
| debian | debian_linux | 8.0 |
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Vulnerability from fkie_nvd
Published
2011-10-05 02:56
Modified
2024-11-21 01:27
Severity ?
Summary
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
References
Impacted products
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"value": "Vulnerabilidad de formato de cadena en la funci\u00f3n dkim_exim_verify_finish de src/dkim.c de Exim en versiones anteriores a 4.76. Puede permitir a atacantes remotos ejecutar c\u00f3digo arbitrario o provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a trav\u00e9s de especificadores de formato de cadena en datos usados en el logging DKIM, tal como se ha demostrado en un campo identity que contenga un car\u00e1cter % (tanto por ciento)."
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}
Vulnerability from fkie_nvd
Published
2018-02-08 23:29
Modified
2025-02-07 14:15
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| debian | debian_linux | 7.0 | |
| debian | debian_linux | 8.0 | |
| debian | debian_linux | 9.0 | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 17.10 |
{
"cisaActionDue": "2022-05-03",
"cisaExploitAdd": "2021-11-03",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Exim Buffer Overflow Vulnerability",
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},
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}
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},
"published": "2018-02-08T23:29:01.170",
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Vulnerability from fkie_nvd
Published
2010-06-07 17:12
Modified
2024-11-21 01:15
Severity ?
Summary
transports/appendfile.c in Exim before 4.72, when MBX locking is enabled, allows local users to change permissions of arbitrary files or create arbitrary files, and cause a denial of service or possibly gain privileges, via a symlink attack on a lockfile in /tmp/.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| exim | exim | 4.10 | |
| exim | exim | 4.20 | |
| exim | exim | 4.21 | |
| exim | exim | 4.22 | |
| exim | exim | 4.23 | |
| exim | exim | 4.24 | |
| exim | exim | 4.30 | |
| exim | exim | 4.31 | |
| exim | exim | 4.32 | |
| exim | exim | 4.33 | |
| exim | exim | 4.34 | |
| exim | exim | 4.40 | |
| exim | exim | 4.41 | |
| exim | exim | 4.42 | |
| exim | exim | 4.43 | |
| exim | exim | 4.44 | |
| exim | exim | 4.50 | |
| exim | exim | 4.51 | |
| exim | exim | 4.52 | |
| exim | exim | 4.53 | |
| exim | exim | 4.54 | |
| exim | exim | 4.60 | |
| exim | exim | 4.61 | |
| exim | exim | 4.62 | |
| exim | exim | 4.63 | |
| exim | exim | 4.64 | |
| exim | exim | 4.65 | |
| exim | exim | 4.66 | |
| exim | exim | 4.67 | |
| exim | exim | 4.68 | |
| exim | exim | 4.69 | |
| exim | exim | 4.70 |
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:57
Severity ?
Summary
Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By leveraging a delete_pid_file race condition, a local user can delete arbitrary files as root. This involves the -oP and -oPX options.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28007-LFDIR.txt | Exploit, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28007-LFDIR.txt | Exploit, Vendor Advisory |
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"value": "CWE-362"
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Vulnerability from fkie_nvd
Published
2022-08-06 18:15
Modified
2024-11-21 07:15
Severity ?
Summary
Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| fedoraproject | fedora | 35 | |
| fedoraproject | fedora | 36 |
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow in receive_add_recipient via an e-mail message with fifty million recipients. NOTE: remote exploitation may be difficult because of resource consumption.
References
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the log directory (owned by a non-root user), a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem.
References
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Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Heap-based Buffer Overflow because it mishandles "-F '.('" on the command line, and thus may allow privilege escalation from any user to root. This occurs because of the interpretation of negative sizes in strncpy.
References
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Vulnerability from fkie_nvd
Published
2011-02-02 01:00
Modified
2024-11-21 01:23
Severity ?
Summary
The open_log function in log.c in Exim 4.72 and earlier does not check the return value from (1) setuid or (2) setgid system calls, which allows local users to append log data to arbitrary files via a symlink attack.
References
Impacted products
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"weaknesses": [
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{
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"value": "CWE-20"
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{
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"source": "nvd@nist.gov",
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}
Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | http://www.openwall.com/lists/oss-security/2021/07/25/1 | Mailing List, Third Party Advisory | |
| cve@mitre.org | http://www.openwall.com/lists/oss-security/2021/08/03/1 | Mailing List, Third Party Advisory | |
| cve@mitre.org | https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28020-HSIZE.txt | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2021/07/25/1 | Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2021/08/03/1 | Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28020-HSIZE.txt | Patch, Third Party Advisory |
{
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{
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"matchCriteriaId": "0DE7BE8D-3B6E-4EAC-9C21-5F44A5B5ACEA",
"versionEndExcluding": "4.92",
"versionStartIncluding": "4.00",
"vulnerable": true
}
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"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction."
},
{
"lang": "es",
"value": "Exim 4 versiones anteriores a 4.92, permite un Desbordamiento de Enteros para un Desbordamiento de B\u00fafer, en el que un atacante remoto no autenticado pueda ejecutar c\u00f3digo arbitrario aprovechando el manejo inapropiado de l\u00edneas de continuaci\u00f3n durante la restricci\u00f3n de la longitud del encabezado"
}
],
"id": "CVE-2020-28020",
"lastModified": "2024-11-21T05:22:13.213",
"metrics": {
"cvssMetricV2": [
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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},
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"impactScore": 5.9,
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"type": "Primary"
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},
{
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"tags": [
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],
"url": "https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28020-HSIZE.txt"
},
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}
],
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"vulnStatus": "Modified",
"weaknesses": [
{
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{
"lang": "en",
"value": "CWE-190"
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}
Vulnerability from fkie_nvd
Published
2021-05-06 13:15
Modified
2024-11-21 05:22
Severity ?
Summary
Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.
References
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"versionEndExcluding": "4.94.2",
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},
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"value": "Exim 4 versiones anteriores a 4.94.2, permite una Subscripci\u00f3n de B\u00fafer que puede resultar en que unos atacantes remotos no autenticados ejecuten comandos arbitrarios, porque la funci\u00f3n smtp_ungetc solo ten\u00eda la intenci\u00f3n de retroceder caracteres, pero actualmente puede retroceder c\u00f3digos de error que no son caracteres como EOF"
}
],
"id": "CVE-2020-28024",
"lastModified": "2024-11-21T05:22:13.810",
"metrics": {
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"availabilityImpact": "PARTIAL",
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"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
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"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
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"published": "2021-05-06T13:15:09.720",
"references": [
{
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"tags": [
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],
"url": "https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28024-UNGET.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28024-UNGET.txt"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2022-08-07 18:15
Modified
2024-11-21 07:15
Severity ?
Summary
Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| exim | exim | * | |
| debian | debian_linux | 10.0 |
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}
],
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"lastModified": "2024-11-21T07:15:00.573",
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