Vulnerabilites related to redhat - shim
cve-2023-40546
Vulnerability from cvelistv5
Published
2024-01-29 16:29
Modified
2024-11-24 14:18
Severity ?
EPSS score ?
Summary
A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2024:1834 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1835 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1873 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1876 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1883 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1902 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1903 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1959 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2086 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2023-40546 | vdb-entry, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2241796 | issue-tracking, x_refsource_REDHAT |
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | Red Hat | Red Hat Enterprise Linux 7 |
Unaffected: 0:15.8-3.el7 < * cpe:/o:redhat:enterprise_linux:7::server cpe:/o:redhat:enterprise_linux:7::workstation cpe:/o:redhat:enterprise_linux:7::client |
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cve-2023-40547
Vulnerability from cvelistv5
Published
2024-01-25 15:54
Modified
2024-11-24 14:19
Severity ?
EPSS score ?
Summary
A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request, leading to a completely controlled out-of-bounds write primitive and complete system compromise. This flaw is only exploitable during the early boot phase, an attacker needs to perform a Man-in-the-Middle or compromise the boot server to be able to exploit this vulnerability successfully.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2024:1834 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1835 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1873 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1876 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1883 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1902 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1903 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1959 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2086 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2023-40547 | vdb-entry, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2234589 | issue-tracking, x_refsource_REDHAT |
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | Red Hat | Red Hat Enterprise Linux 7 |
Unaffected: 0:15.8-3.el7 < * cpe:/o:redhat:enterprise_linux:7::client cpe:/o:redhat:enterprise_linux:7::server cpe:/o:redhat:enterprise_linux:7::workstation |
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cve-2023-40551
Vulnerability from cvelistv5
Published
2024-01-29 16:46
Modified
2024-11-24 14:19
Severity ?
EPSS score ?
Summary
A flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or possible exposure of sensitive data during the system's boot phase.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2024:1834 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1835 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1873 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1876 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1883 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1902 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1903 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1959 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2086 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2023-40551 | vdb-entry, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2259918 | issue-tracking, x_refsource_REDHAT |
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | Red Hat | Red Hat Enterprise Linux 7 |
Unaffected: 0:15.8-3.el7 < * cpe:/o:redhat:enterprise_linux:7::workstation cpe:/o:redhat:enterprise_linux:7::client cpe:/o:redhat:enterprise_linux:7::server |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
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cve-2014-3677
Vulnerability from cvelistv5
Published
2014-10-22 14:00
Modified
2024-08-06 10:50
Severity ?
EPSS score ?
Summary
Unspecified vulnerability in Shim might allow attackers to execute arbitrary code via a crafted MOK list, which triggers memory corruption.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2014/10/13/4 | mailing-list, x_refsource_MLIST | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/96989 | vdb-entry, x_refsource_XF | |
| http://rhn.redhat.com/errata/RHSA-2014-1801.html | vendor-advisory, x_refsource_REDHAT | |
| http://www.securityfocus.com/bid/70410 | vdb-entry, x_refsource_BID |
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cve-2014-3676
Vulnerability from cvelistv5
Published
2014-10-22 14:00
Modified
2024-08-06 10:50
Severity ?
EPSS score ?
Summary
Heap-based buffer overflow in Shim allows remote attackers to execute arbitrary code via a crafted IPv6 address, related to the "tftp:// DHCPv6 boot option."
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2014/10/13/4 | mailing-list, x_refsource_MLIST | |
| http://www.securityfocus.com/bid/70409 | vdb-entry, x_refsource_BID | |
| http://rhn.redhat.com/errata/RHSA-2014-1801.html | vendor-advisory, x_refsource_REDHAT | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/96988 | vdb-entry, x_refsource_XF |
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cve-2022-28737
Vulnerability from cvelistv5
Published
2023-07-20 00:26
Modified
2024-10-22 13:17
Severity ?
EPSS score ?
Summary
There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.openwall.com/lists/oss-security/2022/06/07/5 | mailing-list | |
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737 | issue-tracking |
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Red Hat Bootloader Team | shim |
Version: 0 ≤ |
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cve-2023-40549
Vulnerability from cvelistv5
Published
2024-01-29 16:29
Modified
2024-11-24 14:19
Severity ?
EPSS score ?
Summary
An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2024:1834 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1835 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1873 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1876 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1883 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1902 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1903 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1959 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2086 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2023-40549 | vdb-entry, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2241797 | issue-tracking, x_refsource_REDHAT |
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | Red Hat | Red Hat Enterprise Linux 7 |
Unaffected: 0:15.8-3.el7 < * cpe:/o:redhat:enterprise_linux:7::server cpe:/o:redhat:enterprise_linux:7::workstation cpe:/o:redhat:enterprise_linux:7::client |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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cve-2014-3675
Vulnerability from cvelistv5
Published
2014-10-22 14:00
Modified
2024-08-06 10:50
Severity ?
EPSS score ?
Summary
Shim allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted DHCPv6 packet.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2014/10/13/4 | mailing-list, x_refsource_MLIST | |
| http://www.securityfocus.com/bid/70407 | vdb-entry, x_refsource_BID | |
| http://rhn.redhat.com/errata/RHSA-2014-1801.html | vendor-advisory, x_refsource_REDHAT | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/96981 | vdb-entry, x_refsource_XF |
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cve-2023-40548
Vulnerability from cvelistv5
Published
2024-01-29 14:53
Modified
2024-11-24 14:19
Severity ?
EPSS score ?
Summary
A buffer overflow was found in Shim in the 32-bit system. The overflow happens due to an addition operation involving a user-controlled value parsed from the PE binary being used by Shim. This value is further used for memory allocation operations, leading to a heap-based buffer overflow. This flaw causes memory corruption and can lead to a crash or data integrity issues during the boot phase.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2024:1834 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1835 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1873 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1876 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1883 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1902 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1903 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1959 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2086 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2023-40548 | vdb-entry, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2241782 | issue-tracking, x_refsource_REDHAT |
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | Red Hat | Red Hat Enterprise Linux 7 |
Unaffected: 0:15.8-3.el7 < * cpe:/o:redhat:enterprise_linux:7::client cpe:/o:redhat:enterprise_linux:7::server cpe:/o:redhat:enterprise_linux:7::workstation |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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cve-2023-40550
Vulnerability from cvelistv5
Published
2024-01-29 16:29
Modified
2024-11-24 14:19
Severity ?
EPSS score ?
Summary
An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2024:1834 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1835 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1873 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1876 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1883 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1902 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1903 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:1959 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2086 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2023-40550 | vdb-entry, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2259915 | issue-tracking, x_refsource_REDHAT |
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | Red Hat | Red Hat Enterprise Linux 7 |
Unaffected: 0:15.8-3.el7 < * cpe:/o:redhat:enterprise_linux:7::server cpe:/o:redhat:enterprise_linux:7::workstation cpe:/o:redhat:enterprise_linux:7::client |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
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Vulnerability from fkie_nvd
Published
2024-01-29 17:15
Modified
2024-11-21 08:19
Severity ?
5.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
5.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
5.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
Summary
A flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or possible exposure of sensitive data during the system's boot phase.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | shim | * | |
| fedoraproject | fedora | 39 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 |
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Vulnerability from fkie_nvd
Published
2024-01-29 17:15
Modified
2024-11-21 08:19
Severity ?
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | shim | * | |
| fedoraproject | fedora | 39 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 |
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Vulnerability from fkie_nvd
Published
2014-10-22 14:55
Modified
2024-11-21 02:08
Severity ?
Summary
Heap-based buffer overflow in Shim allows remote attackers to execute arbitrary code via a crafted IPv6 address, related to the "tftp:// DHCPv6 boot option."
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | http://rhn.redhat.com/errata/RHSA-2014-1801.html | Broken Link | |
| secalert@redhat.com | http://www.openwall.com/lists/oss-security/2014/10/13/4 | Exploit, Mailing List | |
| secalert@redhat.com | http://www.securityfocus.com/bid/70409 | Third Party Advisory, VDB Entry | |
| secalert@redhat.com | https://exchange.xforce.ibmcloud.com/vulnerabilities/96988 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://rhn.redhat.com/errata/RHSA-2014-1801.html | Broken Link | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2014/10/13/4 | Exploit, Mailing List | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/70409 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://exchange.xforce.ibmcloud.com/vulnerabilities/96988 | Third Party Advisory, VDB Entry |
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Vulnerability from fkie_nvd
Published
2023-07-20 01:15
Modified
2024-11-21 06:57
Severity ?
6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| security@ubuntu.com | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737 | Third Party Advisory | |
| security@ubuntu.com | https://www.openwall.com/lists/oss-security/2022/06/07/5 | Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.openwall.com/lists/oss-security/2022/06/07/5 | Mailing List, Third Party Advisory |
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Vulnerability from fkie_nvd
Published
2024-01-29 17:15
Modified
2024-11-21 08:19
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | shim | * | |
| fedoraproject | fedora | 39 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 |
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Vulnerability from fkie_nvd
Published
2024-01-25 16:15
Modified
2024-11-21 08:19
Severity ?
8.3 (High) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
8.3 (High) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
8.3 (High) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request, leading to a completely controlled out-of-bounds write primitive and complete system compromise. This flaw is only exploitable during the early boot phase, an attacker needs to perform a Man-in-the-Middle or compromise the boot server to be able to exploit this vulnerability successfully.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | shim | * | |
| redhat | enterprise_linux | 7.0 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 |
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Vulnerability from fkie_nvd
Published
2024-01-29 15:15
Modified
2024-11-21 08:19
Severity ?
7.4 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.4 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.4 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A buffer overflow was found in Shim in the 32-bit system. The overflow happens due to an addition operation involving a user-controlled value parsed from the PE binary being used by Shim. This value is further used for memory allocation operations, leading to a heap-based buffer overflow. This flaw causes memory corruption and can lead to a crash or data integrity issues during the boot phase.
References
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Vulnerability from fkie_nvd
Published
2024-01-29 17:15
Modified
2024-11-21 08:19
Severity ?
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | shim | * | |
| fedoraproject | fedora | 39 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 |
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"url": "https://access.redhat.com/errata/RHSA-2024:1903"
},
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"url": "https://access.redhat.com/errata/RHSA-2024:1959"
},
{
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"url": "https://access.redhat.com/errata/RHSA-2024:2086"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2023-40549"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241797"
},
{
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"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
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"value": "CWE-125"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
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"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
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}
]
}
Vulnerability from fkie_nvd
Published
2014-10-22 14:55
Modified
2024-11-21 02:08
Severity ?
Summary
Unspecified vulnerability in Shim might allow attackers to execute arbitrary code via a crafted MOK list, which triggers memory corruption.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | http://rhn.redhat.com/errata/RHSA-2014-1801.html | Broken Link | |
| secalert@redhat.com | http://www.openwall.com/lists/oss-security/2014/10/13/4 | Mailing List, Patch, Third Party Advisory | |
| secalert@redhat.com | http://www.securityfocus.com/bid/70410 | Third Party Advisory, VDB Entry | |
| secalert@redhat.com | https://exchange.xforce.ibmcloud.com/vulnerabilities/96989 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://rhn.redhat.com/errata/RHSA-2014-1801.html | Broken Link | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2014/10/13/4 | Mailing List, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/70410 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://exchange.xforce.ibmcloud.com/vulnerabilities/96989 | Third Party Advisory, VDB Entry |
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Vulnerability from fkie_nvd
Published
2014-10-22 14:55
Modified
2024-11-21 02:08
Severity ?
Summary
Shim allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted DHCPv6 packet.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | http://rhn.redhat.com/errata/RHSA-2014-1801.html | Broken Link | |
| secalert@redhat.com | http://www.openwall.com/lists/oss-security/2014/10/13/4 | Mailing List, Patch, Third Party Advisory | |
| secalert@redhat.com | http://www.securityfocus.com/bid/70407 | Third Party Advisory, VDB Entry | |
| secalert@redhat.com | https://exchange.xforce.ibmcloud.com/vulnerabilities/96981 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://rhn.redhat.com/errata/RHSA-2014-1801.html | Broken Link | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2014/10/13/4 | Mailing List, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/70407 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://exchange.xforce.ibmcloud.com/vulnerabilities/96981 | Third Party Advisory, VDB Entry |
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