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.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 72%
VendorProductVersion
open-systemslog-user-session
𝑥
≤ 0.7
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.halfdog.net/Security/2018/LogUserSessionLocalRootPrivilegeEscalation/
https://www.halfdog.net/Security/2018/LogUserSessionLocalRootPrivilegeEscalation/