ImageMagick: Filename handling vulnerability

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-gfx/imagemagick	< 6.2.0.4	>= 6.2.0.4	All supported architectures

Related bugreports: #83542

A format string vulnerability exists in ImageMagick that may allow an attacker to execute arbitrary code.

2. Impact Information

ImageMagick is a collection of tools and libraries for manipulating a wide variety of image formats.

Tavis Ormandy of the Gentoo Linux Security Audit Team has identified a flaw in the handling of filenames by the ImageMagick utilities.

Successful exploitation may disrupt web applications that depend on ImageMagick for image processing, potentially executing arbitrary code.

3. Resolution Information

There is no known workaround at this time.

All ImageMagick users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/imagemagick-6.2.0.4"

4. References

Page updated March 06, 2005

Summary: This is a Gentoo Linux Security Advisory

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