CVE-2023-4911

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5454 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5476 Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0033 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4911 Mitigation 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 Third Party Advisory
https://www.qualys.com/cve-2023-4911/ Third Party Advisory
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
https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5454 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5476 Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0033 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4911 Mitigation Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue Tracking Patch Third Party Advisory
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 Exploit Third Party Advisory
https://www.qualys.com/cve-2023-4911/ Third Party Advisory
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:codeready_linux_builder_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.6_aarch64:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus_s390x:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:8.6_ppc64le:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:23.04:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:13.0:*:*:*:*:*:*:*
History

21 Nov 2024, 08:36

Type Values Removed Values Added
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 -
  • () 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 -
References () https://access.redhat.com/errata/RHSA-2023:5453 - Third Party Advisory () https://access.redhat.com/errata/RHSA-2023:5453 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2023:5454 - Third Party Advisory () https://access.redhat.com/errata/RHSA-2023:5454 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2023:5455 - Third Party Advisory () https://access.redhat.com/errata/RHSA-2023:5455 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2023:5476 - Third Party Advisory () https://access.redhat.com/errata/RHSA-2023:5476 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2024:0033 - Third Party Advisory () https://access.redhat.com/errata/RHSA-2024:0033 - Third Party Advisory
References () https://access.redhat.com/security/cve/CVE-2023-4911 - Mitigation, Third Party Advisory () https://access.redhat.com/security/cve/CVE-2023-4911 - Mitigation, Third Party Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2238352 - Issue Tracking, Patch, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=2238352 - Issue Tracking, Patch, Third Party Advisory
References () https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt - Exploit, Third Party Advisory () https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt - Exploit, Third Party Advisory
References () https://www.qualys.com/cve-2023-4911/ - Third Party Advisory () https://www.qualys.com/cve-2023-4911/ - Third Party Advisory

17 Sep 2024, 19:46

Type Values Removed Values Added
References () https://access.redhat.com/security/cve/CVE-2023-4911 - Third Party Advisory () https://access.redhat.com/security/cve/CVE-2023-4911 - Mitigation, Third Party Advisory
References () https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt - Exploit () https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt - Exploit, Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:13.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:23.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*
First Time Debian debian Linux
Canonical ubuntu Linux
Debian
Canonical

16 Sep 2024, 14:15

Type Values Removed Values Added
References
  • {'url': 'http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html', 'tags': ['Exploit', 'Third Party Advisory'], 'source': 'secalert@redhat.com'}
  • {'url': 'http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html', 'tags': ['Exploit', 'Third Party Advisory'], 'source': 'secalert@redhat.com'}
  • {'url': 'http://seclists.org/fulldisclosure/2023/Oct/11', 'tags': ['Exploit', 'Mailing List', 'Third Party Advisory'], 'source': 'secalert@redhat.com'}
  • {'url': 'http://www.openwall.com/lists/oss-security/2023/10/03/2', 'tags': ['Exploit', 'Mailing List'], 'source': 'secalert@redhat.com'}
  • {'url': 'http://www.openwall.com/lists/oss-security/2023/10/03/3', 'tags': ['Mailing List', 'Patch'], 'source': 'secalert@redhat.com'}
  • {'url': 'http://www.openwall.com/lists/oss-security/2023/10/05/1', 'tags': ['Mailing List', 'Third Party Advisory'], 'source': 'secalert@redhat.com'}
  • {'url': 'http://www.openwall.com/lists/oss-security/2023/10/13/11', 'tags': ['Mailing List'], 'source': 'secalert@redhat.com'}
  • {'url': 'http://www.openwall.com/lists/oss-security/2023/10/14/3', 'tags': ['Mailing List'], 'source': 'secalert@redhat.com'}
  • {'url': 'http://www.openwall.com/lists/oss-security/2023/10/14/5', 'tags': ['Mailing List'], 'source': 'secalert@redhat.com'}
  • {'url': 'http://www.openwall.com/lists/oss-security/2023/10/14/6', 'tags': ['Third Party Advisory'], 'source': 'secalert@redhat.com'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/', 'tags': ['Mailing List'], 'source': 'secalert@redhat.com'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/', 'tags': ['Exploit', 'Mailing List'], 'source': 'secalert@redhat.com'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/', 'tags': ['Mailing List'], 'source': 'secalert@redhat.com'}
  • {'url': 'https://security.gentoo.org/glsa/202310-03', 'tags': ['Third Party Advisory'], 'source': 'secalert@redhat.com'}
  • {'url': 'https://security.netapp.com/advisory/ntap-20231013-0006/', 'tags': ['Mailing List', 'Third Party Advisory'], 'source': 'secalert@redhat.com'}
  • {'url': 'https://www.debian.org/security/2023/dsa-5514', 'tags': ['Third Party Advisory'], 'source': 'secalert@redhat.com'}

22 Feb 2024, 20:18

Type Values Removed Values Added
References () http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html - () http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html - Exploit, Third Party Advisory
References () http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html - () http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html - Exploit, Third Party Advisory
References () http://seclists.org/fulldisclosure/2023/Oct/11 - () http://seclists.org/fulldisclosure/2023/Oct/11 - Exploit, Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2023/10/13/11 - () http://www.openwall.com/lists/oss-security/2023/10/13/11 - Mailing List
References () http://www.openwall.com/lists/oss-security/2023/10/14/3 - () http://www.openwall.com/lists/oss-security/2023/10/14/3 - Mailing List
References () http://www.openwall.com/lists/oss-security/2023/10/14/5 - () http://www.openwall.com/lists/oss-security/2023/10/14/5 - Mailing List
References () http://www.openwall.com/lists/oss-security/2023/10/14/6 - () http://www.openwall.com/lists/oss-security/2023/10/14/6 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2023:5476 - () https://access.redhat.com/errata/RHSA-2023:5476 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2024:0033 - () https://access.redhat.com/errata/RHSA-2024:0033 - Third Party Advisory
References () https://security.netapp.com/advisory/ntap-20231013-0006/ - () https://security.netapp.com/advisory/ntap-20231013-0006/ - Mailing List, Third Party Advisory
CPE cpe:2.3:a:gnu:glibc:-:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.6_aarch64:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:8.6_ppc64le:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus_s390x:8.6:*:*:*:*:*:*:*
First Time Redhat codeready Linux Builder For Arm64 Eus
Redhat enterprise Linux Server Aus
Redhat codeready Linux Builder For Power Little Endian Eus
Redhat enterprise Linux Server Tus
Redhat enterprise Linux Eus
Redhat enterprise Linux For Arm 64 Eus
Redhat codeready Linux Builder For Ibm Z Systems Eus
Redhat enterprise Linux For Ibm Z Systems Eus S390x
Redhat enterprise Linux For Power Big Endian Eus
Redhat virtualization Host
Redhat codeready Linux Builder Eus

03 Jan 2024, 15:15

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2024:0033 -

21 Dec 2023, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-10-03 18:15

Updated : 2024-11-21 08:36

NVD link : CVE-2023-4911

Mitre link : CVE-2023-4911

CVE.ORG link : CVE-2023-4911

JSON object : View

Products Affected

redhat

  • virtualization
  • enterprise_linux_server_tus
  • enterprise_linux_for_power_big_endian_eus
  • codeready_linux_builder_eus
  • enterprise_linux_server_aus
  • codeready_linux_builder_for_power_little_endian_eus
  • codeready_linux_builder_for_arm64_eus
  • enterprise_linux_for_ibm_z_systems_eus_s390x
  • virtualization_host
  • enterprise_linux_for_arm_64_eus
  • codeready_linux_builder_for_ibm_z_systems_eus
  • enterprise_linux_eus
  • enterprise_linux

canonical

  • ubuntu_linux

fedoraproject

  • fedora

debian

  • debian_linux

gnu

  • glibc
CWE
CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write