CVE-2023-4911
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-4911
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4911.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-4911
- Related
- Published
- 2023-10-03T18:15:10Z
- Modified
- 2024-09-18T03:26:43.848710Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBCTUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBCTUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.
- References
-
- https://access.redhat.com/errata/RHSA-2023:5453
- https://access.redhat.com/errata/RHSA-2023:5454
- https://access.redhat.com/errata/RHSA-2023:5455
- https://access.redhat.com/errata/RHSA-2023:5476
- https://access.redhat.com/errata/RHSA-2024:0033
- https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt
- https://bugzilla.redhat.com/show_bug.cgi?id=2238352
- https://access.redhat.com/security/cve/CVE-2023-4911
- https://www.qualys.com/cve-2023-4911/
- https://security-tracker.debian.org/tracker/CVE-2023-4911
Affected packages
Debian:11 / glibc
Package
- Name
- glibc
- Purl
- pkg:deb/debian/glibc?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2.31-13+deb11u7
Debian:12 / glibc
Package
- Name
- glibc
- Purl
- pkg:deb/debian/glibc?arch=source
Debian:13 / glibc
Package
- Name
- glibc
- Purl
- pkg:deb/debian/glibc?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2.37-12