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

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

Affected packages

Package	media-gfx/pngcrush on all architectures
Affected versions	< 1.6.4-r1
Unaffected versions	>= 1.6.4-r1

Background

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

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:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=media-gfx/pngcrush-1.6.4-r1"

References

Release date
May 11, 2008

Latest revision
May 11, 2008: 01

Severity
normal

Exploitable
remote

Bugzilla entries

219033