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Insecure Library Loading
Highly critical

ImageMagick Multiple Vulnerabilities

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Release Date:  2007-09-24    Last Update:  2007-09-26    Views:  13,449

Secunia Advisory SA26926

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in ImageMagick, which can be exploited by malicious people to conduct DoS (Denial of Service) attacks or compromise a user's system.

1) Some integer overflow errors exist within the "AllocateImageColormap()", "ReadDCMImage()", "ReadDIBImage()", and "ReadXBMImage()" functions when processing image files. These can be exploited to cause heap-based buffer overflows via specially crafted image files.

2) An off-by-one error exists within the "ReadBlobString()" function in magick/blob.c when processing image files. This can be exploited to cause a one-byte buffer overflow via a specially crafted image file.

3) A sign extension error exists within the "ReadDIBImage()" function when processing image files. This can be exploited to cause a heap-based buffer overflow when processing specially crafted DIB files.

Successful exploitation of the vulnerabilities allows execution of arbitrary code.

4) Some errors within the "ReadDCMImage()" and "ReadXCFImage()" functions can be exploited to cause the execution of infinite loops via specially crafted DCM or XCF files.

The vulnerabilities are reported in versions prior to 6.3.5-9.


Solution:
Update to version 6.3.5-9.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Discovered by regenrecht and reported via iDefense.

Original Advisory:
ImageMagick:
http://studio.imagemagick.org/pipermail/magick-announce/2007-September/000037.html
http://www.imagemagick.org/script/changelog.php

iDefense:
1) http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=594
2) http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=595
3) http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=597
4) http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=596

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: ImageMagick Multiple Vulnerabilities

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