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TITLE:
CrossFire Map Pack combine.pl Insecure Temporary Files

SECUNIA ADVISORY ID:
SA32487

VERIFY ADVISORY:
http://secunia.com/advisories/32487/

CRITICAL:
Not critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
CrossFire 1.x
http://secunia.com/advisories/product/8396/

DESCRIPTION:
A security issue has been reported in CrossFire, which can be
exploited by malicious, local users to perform certain actions with
escalated privileges.

The security issue is caused due to the "maps/Info/combine.pl" script
of the map pack using temporary files in an insecure manner. This can
be  exploited to e.g. overwrite arbitrary files via symlink attacks.

The security issue is reported in version 1.11.0 of the map pack (Big
World).

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=496358

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