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ImageMagick DCM and XWD Buffer Overflows
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Secunia Advisory:
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SA24721
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Release Date:
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2007-04-03
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Popularity:
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7,217 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | ImageMagick 6.x
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| CVE reference: | CVE-2007-1797
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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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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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