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TITLE:
Rootkit Hunter Insecure Temporary File Creation

SECUNIA ADVISORY ID:
SA15127

VERIFY ADVISORY:
http://secunia.com/advisories/15127/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Rootkit Hunter 1.x
http://secunia.com/product/4993/

DESCRIPTION:
Sune Kloppenborg Jeppesen and Tavis Ormandy has reported some
vulnerabilities in Rootkit Hunter, which potentially can be exploited
by malicious, local users to perform certain actions on a vulnerable
system with escalated privileges.

The vulnerabilities are caused due to temporary files being created
insecurely. This can be exploited via symlink attacks to overwrite
arbitrary files with the privileges of the user running the
"check_update.sh" or "rkhunter" script.

SOLUTION:
Edit the source code to ensure that temporary files are created
securely.

PROVIDED AND/OR DISCOVERED BY:
Sune Kloppenborg Jeppesen and Tavis Ormandy, Gentoo Linux Security
Team.

ORIGINAL ADVISORY:
http://www.gentoo.org/security/en/glsa/glsa-200504-25.xml

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