From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu Oct 21 2004 - 08:05:38 CDT

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TITLE:
Ghostscript Insecure Temporary File Creation Vulnerability

SECUNIA ADVISORY ID:
SA12903

VERIFY ADVISORY:
http://secunia.com/advisories/12903/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
ESP Ghostscript 7.x
http://secunia.com/product/4125/

DESCRIPTION:
A vulnerability has been reported in ESP Ghostscript, which can be
exploited by malicious, local users to perform certain actions on a
vulnerable system with escalated privileges.

The vulnerability is caused due to temporary files being created
insecurely by the "pj-gs.sh", "ps2epsi", "pv.sh", and "sysvlp.sh"
scripts. This can be exploited via symlink attacks to create or
overwrite arbitrary files with the privileges of the user invoking a
vulnerable script.

SOLUTION:
Grant only trusted users access to vulnerable systems.

PROVIDED AND/OR DISCOVERED BY:
First reported in a Trustix advisory.

ORIGINAL ADVISORY:
http://www.trustix.org/errata/2004/0050/

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