[ GLSA 200505-16 ] ImageMagick, GraphicsMagick: Denial of Service vulnerability

[GLSA]

Gentoo Linux Security Advisory

Title: ImageMagick, GraphicsMagick: Denial of Service vulnerability (GLSA 200505-16)
Severity: normal
Exploitable: remote
Date: May 21, 2005
Updated: May 22, 2006
Bug(s): #90423, #90595
ID: 200505-16

Synopsis

ImageMagick and GraphicsMagick utilities can be abused to perform a Denial of Service attack.

Background

Both ImageMagick and GraphicsMagick are collection of tools to read, write and manipulate images in many formats.

Affected Packages

Package: media-gfx/imagemagick
Vulnerable: < 6.2.2.3
Unaffected: >= 6.2.2.3
Architectures: All supported architectures

Package: media-gfx/graphicsmagick
Vulnerable: < 1.1.6-r1
Unaffected: >= 1.1.6-r1
Architectures: All supported architectures


Description

Tavis Ormandy of the Gentoo Linux Security Audit Team discovered a Denial of Service vulnerability in the XWD decoder of ImageMagick and GraphicsMagick when setting a color mask to zero.

Impact

A remote attacker could submit a specially crafted image to a user or an automated system making use of an affected utility, resulting in a Denial of Service by consumption of CPU time.

Workaround

There is no known workaround at this time.

Resolution

All ImageMagick users should upgrade to the latest version: