CVE-2023-4911

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
Link Resource
https://www.qualys.com/cve-2023-4911/ Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue Tracking Patch Third Party Advisory
https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt Exploit
https://access.redhat.com/security/cve/CVE-2023-4911 Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/03/3 Mailing List Patch
http://www.openwall.com/lists/oss-security/2023/10/03/2 Exploit Mailing List
https://www.debian.org/security/2023/dsa-5514 Third Party Advisory
https://security.gentoo.org/glsa/202310-03 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ Exploit Mailing List
http://www.openwall.com/lists/oss-security/2023/10/05/1 Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5454 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5476
http://seclists.org/fulldisclosure/2023/Oct/11
http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html
https://security.netapp.com/advisory/ntap-20231013-0006/
http://www.openwall.com/lists/oss-security/2023/10/13/11
http://www.openwall.com/lists/oss-security/2023/10/14/3
http://www.openwall.com/lists/oss-security/2023/10/14/5
http://www.openwall.com/lists/oss-security/2023/10/14/6
http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html
https://access.redhat.com/errata/RHSA-2024:0033
Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:glibc:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2023-10-03 18:15

Updated : 2024-01-03 15:15


NVD link : CVE-2023-4911

Mitre link : CVE-2023-4911


JSON object : View

Products Affected

gnu

  • glibc

fedoraproject

  • fedora

redhat

  • enterprise_linux
  • virtualization
CWE
CWE-787

Out-of-bounds Write