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TITLE:
ImageMagick PNM Image Decoding Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA15124

VERIFY ADVISORY:
http://secunia.com/advisories/15124/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
ImageMagick 6.x
http://secunia.com/product/3763/

DESCRIPTION:
Damian Put has reported a vulnerability in ImageMagick, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a boundary error in the
"ReadPNMImage()" function when decoding PNM image files. This can be
exploited to cause a heap-based buffer overflow by e.g. tricking a
user into viewing a specially crafted PNM image.

Successful exploitation crashes the application. It is currently not
believed that this issue can be exploited for code execution
purposes.

The vulnerability has been reported in versions 6.x up to and
including 6.2.1.

SOLUTION:
Update to version 6.2.2.
http://www.imagemagick.org/script/download.php

PROVIDED AND/OR DISCOVERED BY:
Damian Put

ORIGINAL ADVISORY:
http://www.overflow.pl/adv/imheapoverflow.txt

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