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imagemagick invalid validation DoS CVE-2012-0247 and CVE-2012-02478
From: Henri Salo <henri () nerv fi>
Date: Fri, 10 Feb 2012 13:36:24 +0200

Concerning ImageMagick 6.7.5-0 and earlier:

CVE-2012-0247: When parsing a maliciously crafted image with incorrect offset and count in the ResolutionUnit tag in 
EXIF IFD0, ImageMagick copies two bytes into an invalid address.
CVE-2012-0248: When parsing a maliciously crafted image with an IFD whose all IOP tags' value offsets point to the 
beginning of the IFD itself. As a result, ImageMagick parses the IFD structure indefinitely, causing a denial of 

For more details please read: http://www.imagemagick.org/discourse-server/viewtopic.php?f=4&t=20286
CERT-FI: http://www.cert.fi/haavoittuvuudet/2012/haavoittuvuus-2012-021.html (finnish)
Reported to Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=659339

- Henri Salo

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