Secunia Security Advisory - Chris Evans has reported a vulnerability in Ghostscript, which can be exploited by malicious people to compromise a user's system.
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TITLE:
Ghostscript "zseticcspace()" Buffer Overflow Vulnerability
SECUNIA ADVISORY ID:
SA29103
VERIFY ADVISORY:
http://secunia.com/advisories/29103/
CRITICAL:
Highly critical
IMPACT:
System access
WHERE:
>From remote
SOFTWARE:
Ghostscript 8.x
http://secunia.com/product/4550/
DESCRIPTION:
Chris Evans has reported a vulnerability in Ghostscript, which can be
exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error within the
"zseticcspace()" function in zicc.c. This can be exploited to cause a
stack-based buffer overflow via an overly large "Range" array.
Successful exploitation allows execution of arbitrary code.
The vulnerability is reported in version 8.61. Other versions may
also be affected.
SOLUTION:
Do not open untrusted PostScript (.ps) files.
PROVIDED AND/OR DISCOVERED BY:
Chris Evans, Google Security
ORIGINAL ADVISORY:
http://scary.beasts.org/security/CESA-2008-001.html
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