ghsa-m77w-6vjw-wh2f
Vulnerability from github
Published
2023-10-03 18:30
Modified
2024-02-22 21:30
Severity ?
Details
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.
{ "affected": [], "aliases": [ "CVE-2023-4911" ], "database_specific": { "cwe_ids": [ "CWE-122", "CWE-787" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2023-10-03T18:15:10Z", "severity": "HIGH" }, "details": "A buffer overflow was discovered in the GNU C Library\u0027s dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.", "id": "GHSA-m77w-6vjw-wh2f", "modified": "2024-02-22T21:30:28Z", "published": "2023-10-03T18:30:23Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4911" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2023:5453" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2023:5454" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2023:5455" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2023:5476" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2024:0033" }, { "type": "WEB", "url": "https://access.redhat.com/security/cve/CVE-2023-4911" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2238352" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR" }, { "type": "WEB", "url": "https://security.gentoo.org/glsa/202310-03" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20231013-0006" }, { "type": "WEB", "url": "https://www.debian.org/security/2023/dsa-5514" }, { "type": "WEB", "url": "https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt" }, { "type": "WEB", "url": "https://www.qualys.com/cve-2023-4911" }, { "type": "WEB", "url": "http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html" }, { "type": "WEB", "url": "http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html" }, { "type": "WEB", "url": "http://seclists.org/fulldisclosure/2023/Oct/11" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2023/10/03/2" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2023/10/03/3" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2023/10/05/1" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2023/10/13/11" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2023/10/14/3" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2023/10/14/5" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2023/10/14/6" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ] }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.