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CVE-2023-4911
HIGH(7.8)KEV — Aktiv ausgenutztCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Risk Signal Score71/100 — HOCH
- CVSS 7.8 — Hoch
- EPSS 72% — sehr wahrscheinlich ausgenutzt
- Im CISA KEV-Katalog (aktiv ausgenutzt)
CISA KEV
Bestätigt ausgenutzt
EPSS-Score
72%
Exploit-Wahrscheinlichkeit (30 Tage)
CVSS Score
7.8
Technische Schwere
Beschreibung
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.
Referenzen
- 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://access.redhat.com/security/cve/CVE-2023-4911
- https://bugzilla.redhat.com/show_bug.cgi?id=2238352
- https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-...
- https://www.qualys.com/cve-2023-4911/
- http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalati...