Description
log-user-session version 0.7 and earlier contains a Directory Traversal vulnerability in Main SUID-binary /usr/local/bin/log-user-session that can result in User to root privilege escalation. This attack appear to be exploitable via Malicious unprivileged user executes the vulnerable binary/(remote) environment variable manipulation similar shell-shock also possible.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://www.halfdog.net/Security/2018/LogUserSessionLocalRootPrivilegeEscalation/
Scores
CVSS v3
8.8
EPSS
0.0325
EPSS Percentile
86.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-22
Status
published
Products (1)
open-systems/log-user-session
< 0.7
Published
Dec 20, 2018
Tracked Since
Feb 18, 2026