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Classification:
attack
Tactic:
Technique:
Detect exploitation of CVE-2023-4911, a buffer overflow in GNU C.
This vulnerability exists in GNU C Library’s dynamic loader ld.so
while processing the GLIBC_TUNABLES
environment variable. A local attacker could launch a SUID binary with a maliciously crafted GLIBC_TUNABLES
value to execute code with elevated permissions. This detection monitors SUID binary executions and alerts when the GLIBC_TUNABLES
environment variable is provided.
@process.envs
field to determine if this is expected activity.Requires Agent version 7.27 or later.