CVE-2018-1000857

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.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

3.25% chance of exploitation in the next 30 days, 87th percentile

Published

2018-12-20

Updated

2024-09-16

Proof-of-concept exploits (1)

• https://www.halfdog.net/Security/2018/LogUserSessionLocalRootPrivilegeEscalation/

References

• CVE Record
• NVD entry

Related

• CVE-2018-1000856
• CVE-2018-1000861
• CVE-2018-1000851
• CVE-2018-1000863
• CVE-2018-1000850
• CVE-2018-1000869