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TITLE:
Kaspersky Anti-Virus Insecure Log Directory Security Issue

SECUNIA ADVISORY ID:
SA16425

VERIFY ADVISORY:
http://secunia.com/advisories/16425/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Kaspersky Anti-Virus 5.x
http://secunia.com/product/2781/

DESCRIPTION:
Dr. Peter Bieringer has reported a security issue in Kaspersky
Anti-Virus for Linux File Server, which can be exploited by
malicious, local users to perform certain actions on a vulnerable
system with escalated privileges.

The security issue is caused due to insecure default directory
permissions of the log directory "/var/log/kav/5.5/kav4unix/". This
can be exploited via symlink attacks to create or overwrite arbitrary
files with privileges of the root user.

The security issue has been reported in version 5.5-2. Prior versions
may also be affected.

SOLUTION:
Update to version 5.5-3.

PROVIDED AND/OR DISCOVERED BY:
Dr. Peter Bieringer

ORIGINAL ADVISORY:
ftp://ftp.aerasec.de/pub/advisories/kav4unix/kav4unix-local-root-exploit.txt

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
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Secunia NEVER sends attached files with advisories.
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