CVE - CVE-2023-4911

CVE-ID
CVE-2023-4911	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:RHBZ#2238352 URL:https://bugzilla.redhat.com/show_bug.cgi?id=2238352 MISC:RHSA-2023:5453 URL:https://access.redhat.com/errata/RHSA-2023:5453 MISC:RHSA-2023:5454 URL:https://access.redhat.com/errata/RHSA-2023:5454 MISC:RHSA-2023:5455 URL:https://access.redhat.com/errata/RHSA-2023:5455 MISC:RHSA-2023:5476 URL:https://access.redhat.com/errata/RHSA-2023:5476 MISC:RHSA-2024:0033 URL:https://access.redhat.com/errata/RHSA-2024:0033 MISC:http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html URL:http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html MISC:http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html URL:http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html MISC:http://seclists.org/fulldisclosure/2023/Oct/11 URL:http://seclists.org/fulldisclosure/2023/Oct/11 MISC:http://www.openwall.com/lists/oss-security/2023/10/03/2 URL:http://www.openwall.com/lists/oss-security/2023/10/03/2 MISC:http://www.openwall.com/lists/oss-security/2023/10/03/3 URL:http://www.openwall.com/lists/oss-security/2023/10/03/3 MISC:http://www.openwall.com/lists/oss-security/2023/10/05/1 URL:http://www.openwall.com/lists/oss-security/2023/10/05/1 MISC:http://www.openwall.com/lists/oss-security/2023/10/13/11 URL:http://www.openwall.com/lists/oss-security/2023/10/13/11 MISC:http://www.openwall.com/lists/oss-security/2023/10/14/3 URL:http://www.openwall.com/lists/oss-security/2023/10/14/3 MISC:http://www.openwall.com/lists/oss-security/2023/10/14/5 URL:http://www.openwall.com/lists/oss-security/2023/10/14/5 MISC:http://www.openwall.com/lists/oss-security/2023/10/14/6 URL:http://www.openwall.com/lists/oss-security/2023/10/14/6 MISC:https://access.redhat.com/security/cve/CVE-2023-4911 URL:https://access.redhat.com/security/cve/CVE-2023-4911 MISC:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ URL:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ MISC:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ URL:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ MISC:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ URL:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ MISC:https://security.gentoo.org/glsa/202310-03 URL:https://security.gentoo.org/glsa/202310-03 MISC:https://security.netapp.com/advisory/ntap-20231013-0006/ URL:https://security.netapp.com/advisory/ntap-20231013-0006/ MISC:https://www.debian.org/security/2023/dsa-5514 URL:https://www.debian.org/security/2023/dsa-5514 MISC:https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt URL:https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt MISC:https://www.qualys.com/cve-2023-4911/ URL:https://www.qualys.com/cve-2023-4911/
Assigning CNA
Red Hat, Inc.
Date Record Created
20230912	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20230912)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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