[ GLSA 200805-10 ] Pngcrush: User-assisted execution of arbitrary code

[GLSA]

Gentoo Linux Security Advisory

Title: Pngcrush: User-assisted execution of arbitrary code (GLSA 200805-10)
Severity: normal
Exploitable: remote
Date: May 11, 2008
Bug(s): #219033
ID: 200805-10

Synopsis


A vulnerability in Pngcrush might result in user-assisted execution of
arbitrary code.


Background


Pngcrush is a multi platform optimizer for PNG (Portable Network
Graphics) files.


Affected Packages

Package: media-gfx/pngcrush
Vulnerable: < 1.6.4-r1
Unaffected: >= 1.6.4-r1
Architectures: All supported architectures


Description


It has been reported that Pngcrush includes a copy of libpng that is
vulnerable to a memory corruption (GLSA 200804-15).


Impact


A remote attacker could entice a user to process a specially crafted
PNG image, possibly resulting in the execution of arbitrary code with
the privileges of the user running the application, or a Denial of
Service.


Workaround


There is no known workaround at this time.


Resolution


All Pngcrush users should upgrade to the latest version: