Secunia Security Advisory - A security issue has been reported in the Cluster Project, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
4f4786ab099f54a327f07d29f4e9a540468b22e836f980ebc997d6ce91596c3b
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TITLE:
Cluster Project CMAN "fence_egenera" Insecure Temporary Files
SECUNIA ADVISORY ID:
SA31887
VERIFY ADVISORY:
http://secunia.com/advisories/31887/
CRITICAL:
Not critical
IMPACT:
Privilege escalation
WHERE:
Local system
SOFTWARE:
Cluster Project 2.x
http://secunia.com/advisories/product/14606/
DESCRIPTION:
A security issue has been reported in the Cluster Project, which can
be exploited by malicious, local users to perform certain actions
with escalated privileges.
The security issue is caused due to the "fence_egenera" script using
a temporary files in an insecure manner. This can be exploited via
symlink attacks to e.g. overwrite arbitrary files with the privileges
of the user running the script.
SOLUTION:
Restrict local access to trusted users only.
PROVIDED AND/OR DISCOVERED BY:
Reported by Dmitry E. Oboukhov in a Debian bug report.
ORIGINAL ADVISORY:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496431
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