CVE-2023-6246
HIGH NUCLEIglibc <2.36 - Buffer Overflow
Title source: llmDescription
A heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when the openlog function was not called, or called with the ident argument set to NULL, and the program name (the basename of argv[0]) is bigger than 1024 bytes, resulting in an application crash or local privilege escalation. This issue affects glibc 2.36 and newer.
Exploits (2)
nomisec
WORKING POC
by SimoesCTT · poc
https://github.com/SimoesCTT/CTT-Vsyslog-Vortex-CVE-2023-6246
Nuclei Templates (1)
glibc's syslog - Local Privilege Escalation
HIGHby gy741
References (12)
Scores
CVSS v3
8.4
EPSS
0.2548
EPSS Percentile
96.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-122
CWE-787
Status
published
Products (3)
fedoraproject/fedora
38
fedoraproject/fedora
39
gnu/glibc
2.36 - 2.39
Published
Jan 31, 2024
Tracked Since
Feb 18, 2026