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ImageMagick Multiple Vulnerabilities
Secunia Advisory:	SA26926	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2007-09-24
Last Update:	2007-09-26
Popularity:	6,205 views

Critical:	Highly critical
Impact:	DoS System access
Where:	From remote
Solution Status:	Vendor Patch

Software:	ImageMagick 5.x ImageMagick 6.x

Binary Analysis:	BA237 :: Available for Credits BA235 :: Available for Credits BA243 :: Available for Credits BA273 :: Available for Credits

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2007-4986 CVE-2007-4987 CVE-2007-4988 CVE-2007-4985

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. http://www.imagemagick.org/script/download.php Provided and/or discovered by: Discovered by regenrecht and reported via iDefense. Changelog: 2007-09-26: Added CVE reference. Original Advisory: ImageMagick: http://studio.imagemagick.org/piperma...k-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

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