2023-10-11
ALT-BU-2023-6246-1
Branch c10f1 update bulletin.
Closed vulnerabilities
Published: 2023-10-03
BDU:2023-06269
Уязвимость динамического загрузчика ld.so библиотеки glibc, позволяющая нарушителю выполнить произвольный код c повышенными привилегиями
Severity: HIGH (7.8)
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
Published: 2023-10-03
Modified: 2025-01-28
Modified: 2025-01-28
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.
Severity: HIGH (7.8)
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
- http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html
- http://seclists.org/fulldisclosure/2023/Oct/11
- http://www.openwall.com/lists/oss-security/2023/10/03/2
- http://www.openwall.com/lists/oss-security/2023/10/03/3
- http://www.openwall.com/lists/oss-security/2023/10/05/1
- 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
- RHSA-2023:5453
- RHSA-2023:5453
- RHSA-2023:5454
- RHSA-2023:5454
- RHSA-2023:5455
- RHSA-2023:5455
- RHSA-2023:5476
- RHSA-2023:5476
- RHSA-2024:0033
- RHSA-2024:0033
- https://access.redhat.com/security/cve/CVE-2023-4911
- https://access.redhat.com/security/cve/CVE-2023-4911
- RHBZ#2238352
- RHBZ#2238352
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/
- https://security.gentoo.org/glsa/202310-03
- https://security.netapp.com/advisory/ntap-20231013-0006/
- https://www.debian.org/security/2023/dsa-5514
- https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt
- https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt
- https://www.qualys.com/cve-2023-4911/
- https://www.qualys.com/cve-2023-4911/