var-201404-0048
Vulnerability from variot
Directory traversal vulnerability in device-linux.c in the router advertisement daemon (radvd) before 1.8.2 allows local users to overwrite arbitrary files, and remote attackers to overwrite certain files, via a .. (dot dot) in an interface name. NOTE: this can be leveraged with a symlink to overwrite arbitrary files. radvd is prone to the follow security vulnerabilities: 1. Multiple local privilege-escalation vulnerability. 2. A local arbitrary file-overwrite vulnerability. 3. Multiple remote denial-of-service vulnerabilities. An attacker can exploit these issues to execute arbitrary code with administrative privileges, overwrite arbitrary files, and cause denial-of-service conditions. The software can replace IPv6 routing for stateless address auto-configuration. ========================================================================== Ubuntu Security Notice USN-1257-1 November 10, 2011
radvd vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS
Summary:
radvd could be made to crash or overwrite certain files if it received specially crafted network traffic.
Software Description: - radvd: Router Advertisement Daemon
Details:
Vasiliy Kulikov discovered that radvd incorrectly parsed the ND_OPT_DNSSL_INFORMATION option. The default compiler options for affected releases should reduce the vulnerability to a denial of service. This issue only affected Ubuntu 11.04 and 11.10. (CVE-2011-3602)
Vasiliy Kulikov discovered that radvd incorrectly handled certain lengths. (CVE-2011-3604)
Vasiliy Kulikov discovered that radvd incorrectly handled delays when used in unicast mode, which is not the default in Ubuntu. (CVE-2011-3605)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.10: radvd 1:1.8-1ubuntu0.1
Ubuntu 11.04: radvd 1:1.7-1ubuntu0.1
Ubuntu 10.10: radvd 1:1.6-1ubuntu0.1
Ubuntu 10.04 LTS: radvd 1:1.3-1.1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1257-1 CVE-2011-3601, CVE-2011-3602, CVE-2011-3604, CVE-2011-3605
Package Information: https://launchpad.net/ubuntu/+source/radvd/1:1.8-1ubuntu0.1 https://launchpad.net/ubuntu/+source/radvd/1:1.7-1ubuntu0.1 https://launchpad.net/ubuntu/+source/radvd/1:1.6-1ubuntu0.1 https://launchpad.net/ubuntu/+source/radvd/1:1.3-1.1ubuntu0.1
. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201111-08
http://security.gentoo.org/
Severity: High Title: radvd: Multiple vulnerabilities Date: November 20, 2011 Bugs: #385967 ID: 201111-08
Synopsis
Multiple vulnerabilities have been found in radvd which could potentially lead to privilege escalation, data loss, or a Denial of Service.
Background
radvd is an IPv6 router advertisement daemon for Linux and BSD.
Affected packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/radvd < 1.8.2 >= 1.8.2
Description
Multiple vulnerabilities have been discovered in radvd. Please review the CVE identifiers referenced below for details.
Workaround
There is no known workaround at this time.
Resolution
All radvd users should upgrade to the latest stable version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/radvd-1.8.2"
References
[ 1 ] CVE-2011-3601 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3601 [ 2 ] CVE-2011-3602 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3602 [ 3 ] CVE-2011-3603 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3603 [ 4 ] CVE-2011-3604 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3604 [ 5 ] CVE-2011-3605 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3605
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201111-08.xml
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2011 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5 . This fixes a security issue and multiple vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service).
For more information: SA46200
SOLUTION: Apply updated packages via the apt-get package manager. ----------------------------------------------------------------------
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Read the new report on the Secunia VIM: http://secunia.com/products/corporate/vim/ovum_2011_request/
TITLE: radvd Privilege Escalation and Denial of Service Vulnerabilities
SECUNIA ADVISORY ID: SA46200
VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/46200/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=46200
RELEASE DATE: 2011-10-16
DISCUSS ADVISORY: http://secunia.com/advisories/46200/#comments
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ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS
https://ca.secunia.com/?page=viewadvisory&vuln_id=46200
ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING
http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/
DESCRIPTION: Some security issues and vulnerabilities have been reported in radvd, which can be exploited by malicious, local users to gain escalated privileges and by malicious people to cause a DoS (Denial of Service).
1) A signedness error within the "process_ra()" function (process.c) when parsing the "ND_OPT_DNSSL_INFORMATION" option can be exploited to cause a stack-based buffer overflow.
2) An input sanitation error within the "set_interface_var()" function (device-linux.c) can be exploited to e.g.
3) The daemon does not properly terminate if the privilege separation failed, which can lead to the daemon running with higher privileges than intended.
4) Boundary errors within the "process_ra()" function (process.c) can be exploited to cause out-of-bounds reads and crash the service.
5) An error within the unicast-only mode can be exploited to cause a delay within the processing by flooding the service with ND_ROUTER_SOLICIT messages.
Note: Successful exploitation of this vulnerability requires that the service is running in unicast-only mode. Prior versions may also be affected.
SOLUTION: Update to version 1.8.2, which fixes vulnerabilities #1, #3, #4, and
5. Security issue #2 is fixed in the GIT repository.
Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
PROVIDED AND/OR DISCOVERED BY: Vasiliy Kulikov
ORIGINAL ADVISORY: http://www.openwall.com/lists/oss-security/2011/10/06/3 https://github.com/reubenhwk/radvd/blob/fc207cc6a2de572226133276ee30a9a313dca902/CHANGES https://github.com/reubenhwk/radvd/commit/7a1471b62da88373e8f4209d503307c5d841b81f
OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
DEEP LINKS: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
EXPLOIT: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Debian Security Advisory DSA-2323-1 security@debian.org http://www.debian.org/security/ Yves-Alexis Perez October 26, 2011 http://www.debian.org/security/faq
Package : radvd Vulnerability : several Problem type : remote Debian-specific: no CVE ID : CVE-2011-3602 CVE-2011-3604 CVE-2011-3605 Debian Bug : 644614
Multiple security issues were discovered by Vasiliy Kulikov in radvd, an IPv6 Router Advertisement daemon:
CVE-2011-3602
set_interface_var() function doesn't check the interface name, which is chosen by an unprivileged user.
CVE-2011-3604
process_ra() function lacks multiple buffer length checks which could lead to memory reads outside the stack, causing a crash of the daemon.
CVE-2011-3605
process_rs() function calls mdelay() (a function to wait for a defined time) unconditionnally when running in unicast-only mode. As this call is in the main thread, that means all request processing is delayed (for a time up to MAX_RA_DELAY_TIME, 500 ms by default). An attacked could flood the daemon with router solicitations in order to fill the input queue, causing a temporary denial of service (processing would be stopped during all the mdelay() calls). Note: upstream and Debian default is to use anycast mode.
For the oldstable distribution (lenny), this problem has been fixed in version 1:1.1-3.1.
For the stable distribution (squeeze), this problem has been fixed in version 1:1.6-1.1.
For the testing distribution (wheezy), this problem has been fixed in version 1:1.8-1.2.
For the unstable distribution (sid), this problem has been fixed in version 1:1.8-1.2.
We recommend that you upgrade your radvd packages.
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux)
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"data": "Directory traversal vulnerability in device-linux.c in the router advertisement daemon (radvd) before 1.8.2 allows local users to overwrite arbitrary files, and remote attackers to overwrite certain files, via a .. (dot dot) in an interface name. NOTE: this can be leveraged with a symlink to overwrite arbitrary files. radvd is prone to the follow security vulnerabilities:\n1. Multiple local privilege-escalation vulnerability. \n2. A local arbitrary file-overwrite vulnerability. \n3. Multiple remote denial-of-service vulnerabilities. \nAn attacker can exploit these issues to execute arbitrary code with administrative privileges, overwrite arbitrary files, and cause denial-of-service conditions. The software can replace IPv6 routing for stateless address auto-configuration. ==========================================================================\nUbuntu Security Notice USN-1257-1\nNovember 10, 2011\n\nradvd vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 11.10\n- Ubuntu 11.04\n- Ubuntu 10.10\n- Ubuntu 10.04 LTS\n\nSummary:\n\nradvd could be made to crash or overwrite certain files if it received\nspecially crafted network traffic. \n\nSoftware Description:\n- radvd: Router Advertisement Daemon\n\nDetails:\n\nVasiliy Kulikov discovered that radvd incorrectly parsed the\nND_OPT_DNSSL_INFORMATION option. The default compiler options for affected\nreleases should reduce the vulnerability to a denial of service. This issue\nonly affected Ubuntu 11.04 and 11.10. \n(CVE-2011-3602)\n\nVasiliy Kulikov discovered that radvd incorrectly handled certain lengths. (CVE-2011-3604)\n\nVasiliy Kulikov discovered that radvd incorrectly handled delays when used\nin unicast mode, which is not the default in Ubuntu. (CVE-2011-3605)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 11.10:\n radvd 1:1.8-1ubuntu0.1\n\nUbuntu 11.04:\n radvd 1:1.7-1ubuntu0.1\n\nUbuntu 10.10:\n radvd 1:1.6-1ubuntu0.1\n\nUbuntu 10.04 LTS:\n radvd 1:1.3-1.1ubuntu0.1\n\nIn general, a standard system update will make all the necessary changes. \n\nReferences:\n http://www.ubuntu.com/usn/usn-1257-1\n CVE-2011-3601, CVE-2011-3602, CVE-2011-3604, CVE-2011-3605\n\nPackage Information:\n https://launchpad.net/ubuntu/+source/radvd/1:1.8-1ubuntu0.1\n https://launchpad.net/ubuntu/+source/radvd/1:1.7-1ubuntu0.1\n https://launchpad.net/ubuntu/+source/radvd/1:1.6-1ubuntu0.1\n https://launchpad.net/ubuntu/+source/radvd/1:1.3-1.1ubuntu0.1\n\n\n. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory GLSA 201111-08\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n http://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: High\n Title: radvd: Multiple vulnerabilities\n Date: November 20, 2011\n Bugs: #385967\n ID: 201111-08\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nMultiple vulnerabilities have been found in radvd which could\npotentially lead to privilege escalation, data loss, or a Denial of\nService. \n\nBackground\n==========\n\nradvd is an IPv6 router advertisement daemon for Linux and BSD. \n\nAffected packages\n=================\n\n -------------------------------------------------------------------\n Package / Vulnerable / Unaffected\n -------------------------------------------------------------------\n 1 net-misc/radvd \u003c 1.8.2 \u003e= 1.8.2 \n\nDescription\n===========\n\nMultiple vulnerabilities have been discovered in radvd. Please review\nthe CVE identifiers referenced below for details. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll radvd users should upgrade to the latest stable version:\n\n # emerge --sync\n # emerge --ask --oneshot --verbose \"\u003e=net-misc/radvd-1.8.2\"\n\nReferences\n==========\n\n[ 1 ] CVE-2011-3601\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3601\n[ 2 ] CVE-2011-3602\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3602\n[ 3 ] CVE-2011-3603\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3603\n[ 4 ] CVE-2011-3604\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3604\n[ 5 ] CVE-2011-3605\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3605\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n http://security.gentoo.org/glsa/glsa-201111-08.xml\n\nConcerns?\n=========\n\nSecurity is a primary focus of Gentoo Linux and ensuring the\nconfidentiality and security of our users\u0027 machines is of utmost\nimportance to us. Any security concerns should be addressed to\nsecurity@gentoo.org or alternatively, you may file a bug at\nhttps://bugs.gentoo.org. \n\nLicense\n=======\n\nCopyright 2011 Gentoo Foundation, Inc; referenced text\nbelongs to its owner(s). \n\nThe contents of this document are licensed under the\nCreative Commons - Attribution / Share Alike license. \n\nhttp://creativecommons.org/licenses/by-sa/2.5\n. This fixes a security issue\nand multiple vulnerabilities, which can be exploited by malicious\npeople to cause a DoS (Denial of Service). \n\nFor more information:\nSA46200\n\nSOLUTION:\nApply updated packages via the apt-get package manager. ----------------------------------------------------------------------\n\nOvum says ad hoc tools are out-dated. The best practice approach?\nFast vulnerability intelligence, threat handling, and setup in one tool. \n\nRead the new report on the Secunia VIM:\nhttp://secunia.com/products/corporate/vim/ovum_2011_request/ \n\n----------------------------------------------------------------------\n\nTITLE:\nradvd Privilege Escalation and Denial of Service Vulnerabilities\n\nSECUNIA ADVISORY ID:\nSA46200\n\nVERIFY ADVISORY:\nSecunia.com\nhttp://secunia.com/advisories/46200/\nCustomer Area (Credentials Required)\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=46200\n\nRELEASE DATE:\n2011-10-16\n\nDISCUSS ADVISORY:\nhttp://secunia.com/advisories/46200/#comments\n\nAVAILABLE ON SITE AND IN CUSTOMER AREA:\n * Last Update\n * Popularity\n * Comments\n * Criticality Level\n * Impact\n * Where\n * Solution Status\n * Operating System / Software\n * CVE Reference(s)\n\nhttp://secunia.com/advisories/46200/\n\nONLY AVAILABLE IN CUSTOMER AREA:\n * Authentication Level\n * Report Reliability\n * Secunia PoC\n * Secunia Analysis\n * Systems Affected\n * Approve Distribution\n * Remediation Status\n * Secunia CVSS Score\n * CVSS\n\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=46200\n\nONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:\n * AUTOMATED SCANNING\n\nhttp://secunia.com/vulnerability_scanning/personal/\nhttp://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/\n\nDESCRIPTION:\nSome security issues and vulnerabilities have been reported in radvd,\nwhich can be exploited by malicious, local users to gain escalated\nprivileges and by malicious people to cause a DoS (Denial of\nService). \n\n1) A signedness error within the \"process_ra()\" function (process.c)\nwhen parsing the \"ND_OPT_DNSSL_INFORMATION\" option can be exploited\nto cause a stack-based buffer overflow. \n\n2) An input sanitation error within the \"set_interface_var()\"\nfunction (device-linux.c) can be exploited to e.g. \n\n3) The daemon does not properly terminate if the privilege separation\nfailed, which can lead to the daemon running with higher privileges\nthan intended. \n\n4) Boundary errors within the \"process_ra()\" function (process.c) can\nbe exploited to cause out-of-bounds reads and crash the service. \n\n5) An error within the unicast-only mode can be exploited to cause a\ndelay within the processing by flooding the service with\nND_ROUTER_SOLICIT messages. \n\nNote: Successful exploitation of this vulnerability requires that the\nservice is running in unicast-only mode. Prior versions may also be affected. \n\nSOLUTION:\nUpdate to version 1.8.2, which fixes vulnerabilities #1, #3, #4, and\n#5. Security issue #2 is fixed in the GIT repository. \n\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nPROVIDED AND/OR DISCOVERED BY:\nVasiliy Kulikov\n\nORIGINAL ADVISORY:\nhttp://www.openwall.com/lists/oss-security/2011/10/06/3\nhttps://github.com/reubenhwk/radvd/blob/fc207cc6a2de572226133276ee30a9a313dca902/CHANGES\nhttps://github.com/reubenhwk/radvd/commit/7a1471b62da88373e8f4209d503307c5d841b81f\n\nOTHER REFERENCES:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nDEEP LINKS:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXTENDED DESCRIPTION:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXTENDED SOLUTION:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXPLOIT:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\n----------------------------------------------------------------------\n\nAbout:\nThis Advisory was delivered by Secunia as a free service to help\nprivate users keeping their systems up to date against the latest\nvulnerabilities. \n\nSubscribe:\nhttp://secunia.com/advisories/secunia_security_advisories/\n\nDefinitions: (Criticality, Where etc.)\nhttp://secunia.com/advisories/about_secunia_advisories/\n\n\nPlease Note:\nSecunia recommends that you verify all advisories you receive by\nclicking the link. \nSecunia NEVER sends attached files with advisories. \nSecunia does not advise people to install third party patches, only\nuse those supplied by the vendor. \n\n----------------------------------------------------------------------\n\nUnsubscribe: Secunia Security Advisories\nhttp://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org\n\n----------------------------------------------------------------------\n\n\n. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA1\n\n- -------------------------------------------------------------------------\nDebian Security Advisory DSA-2323-1 security@debian.org\nhttp://www.debian.org/security/ Yves-Alexis Perez\nOctober 26, 2011 http://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : radvd\nVulnerability : several\nProblem type : remote\nDebian-specific: no\nCVE ID : CVE-2011-3602 CVE-2011-3604 CVE-2011-3605\nDebian Bug : 644614\n\nMultiple security issues were discovered by Vasiliy Kulikov in radvd, an \nIPv6 Router Advertisement daemon:\n\nCVE-2011-3602\n\n set_interface_var() function doesn\u0027t check the interface name, which is\n chosen by an unprivileged user. \n\nCVE-2011-3604\n\n process_ra() function lacks multiple buffer length checks which could\n lead to memory reads outside the stack, causing a crash of the daemon. \n\nCVE-2011-3605\n\n process_rs() function calls mdelay() (a function to wait for a defined\n time) unconditionnally when running in unicast-only mode. As this call\n is in the main thread, that means all request processing is delayed (for\n a time up to MAX_RA_DELAY_TIME, 500 ms by default). An attacked could\n flood the daemon with router solicitations in order to fill the input\n queue, causing a temporary denial of service (processing would be\n stopped during all the mdelay() calls). \n Note: upstream and Debian default is to use anycast mode. \n\n\nFor the oldstable distribution (lenny), this problem has been fixed in\nversion 1:1.1-3.1. \n\nFor the stable distribution (squeeze), this problem has been fixed in\nversion 1:1.6-1.1. \n\nFor the testing distribution (wheezy), this problem has been fixed in\nversion 1:1.8-1.2. \n\nFor the unstable distribution (sid), this problem has been fixed in\nversion 1:1.8-1.2. \n\nWe recommend that you upgrade your radvd packages. \n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: http://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1.4.11 (GNU/Linux)\n\niEYEARECAAYFAk6q2QcACgkQXm3vHE4uylqlEQCgpdFwHzpKLF6KHlJs4y/ykeo/\noEYAniJXFaff25pMtXzM6Ovu8zslZm7H\n=VfHu\n-----END PGP SIGNATURE-----\n",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.