[ GLSA 200602-13 ] GraphicsMagick: Format string vulnerability

[GLSA]

Gentoo Linux Security Advisory

Title: GraphicsMagick: Format string vulnerability (GLSA 200602-13)
Severity: normal
Exploitable: remote
Date: February 26, 2006
Bug(s): #119476
ID: 200602-13

Synopsis


A vulnerability in GraphicsMagick allows attackers to crash the application
and potentially execute arbitrary code.


Background


GraphicsMagick is a collection of tools to read, write and
manipulate images in many formats.


Affected Packages

Package: media-gfx/graphicsmagick
Vulnerable: < 1.1.7
Unaffected: >= 1.1.7
Architectures: All supported architectures


Description


The SetImageInfo function was found vulnerable to a format string
mishandling. Daniel Kobras discovered that the handling of "%"-escaped
sequences in filenames passed to the function is inadequate in
ImageMagick GLSA 200602-06 and the same vulnerability exists in
GraphicsMagick.


Impact


By feeding specially crafted file names to GraphicsMagick an
attacker can crash the program and possibly execute arbitrary code with
the privileges of the user running GraphicsMagick.


Workaround


There is no known workaround at this time.


Resolution


All GraphicsMagick users should upgrade to the latest version: