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GraphicsMagick: PALM and DCM buffer overflows


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200611-07 / graphicsmagick
Release Date November 13, 2006
Latest Revision November 13, 2006: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
media-gfx/graphicsmagick < 1.1.7-r3 >= 1.1.7-r3 All supported architectures

Related bugreports: #152668


GraphicsMagick improperly handles PALM and DCM images, potentially resulting in the execution of arbitrary code.

2.  Impact Information


GraphicsMagick is a collection of tools and libraries which support reading, writing, and manipulating images in many major formats.


M. Joonas Pihlaja has reported that a boundary error exists within the ReadDCMImage() function of coders/dcm.c, causing the improper handling of DCM images. Pihlaja also reported that there are several boundary errors in the ReadPALMImage() function of coders/palm.c, similarly causing the improper handling of PALM images.


An attacker could entice a user to open a specially crafted DCM or PALM image with GraphicsMagick, and possibly execute arbitrary code with the privileges of the user running GraphicsMagick.

3.  Resolution Information


There is no known workaround at this time.


All GraphicsMagick users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/graphicsmagick-1.1.7-r3"

4.  References


Page updated November 13, 2006

Summary: This is a Gentoo Linux Security Advisory

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