PT-2018-9581
CVE-2018-1000857
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Published
2018-12-20
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Updated
2020-06-24
Description by
CVSS 2.0
9.0
HighMetricsAV:N/AC:L/Au:S/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions
log-user-session versions 0.7 and earlier
Description
The issue allows for a Directory Traversal vulnerability in the Main SUID-binary /usr/local/bin/log-user-session, potentially resulting in User to root privilege escalation. This can be exploited by a malicious unprivileged user executing the vulnerable binary or through environment variable manipulation, with similarities to shell-shock.
Recommendations
For log-user-session versions 0.7 and earlier, consider restricting access to the /usr/local/bin/log-user-session binary until a patch is available. As a temporary workaround, avoid using environment variables that could be manipulated to exploit the vulnerability.
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