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TITLE:
ImageMagick DCM and XWD Buffer Overflows

SECUNIA ADVISORY ID:
SA24721

VERIFY ADVISORY:
http://secunia.com/advisories/24721/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

REVISION:
1.1 originally posted 2007-04-03

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

DESCRIPTION:
Some vulnerabilities have been reported in ImageMagick, which can be
exploited by malicious people to compromise a vulnerable system.

1) A integer overflow error within the "ReadDCMImage()" function can
be exploited to cause a heap-based buffer overflow when processing
specially crafted DCM images.

This may be related to vulnerability #1 of:
SA22572

2) Two integer overflows within the "ReadXWDImage()" function when
calculating the amount of memory to be allocated for the 'colors' or
'comment' fields can be exploited to cause heap-based buffer
overflows when processing specially crafted XWD images.

The vulnerabilities are reported in version 6.3.x. The source code
for versions 6.3.1, 6.3.2, 6.3.3-3 and 6.2.9 reportedly contain the
vulnerable code. Other versions may also be affected.

SOLUTION:
Update to version 6.3.3-5.

PROVIDED AND/OR DISCOVERED BY:
Discovered by an anonymous person and reported via iDefense Labs.

CHANGELOG:
2007-04-03: Added CVE reference.

ORIGINAL ADVISORY:
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=496

OTHER REFERENCES:
SA22572:
http://secunia.com/advisories/22572

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