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[security-alerts] FW: [SA29103] Ghostscript "zseticcspace()" Buffer Overflow Vulnerability



> ----------------------------------------------------------------------
>
> 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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