GLSA 201312-08: WebP: User-assisted execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	WebP: User-assisted execution of arbitrary code
Date:	12/10/2013
Bugs:	#442152
ID:	201312-08

Synopsis

An integer overflow vulnerability in WebP could lead to arbitrary code execution or Denial of Service.

Background

WebP is a lossy image compression format.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
media-libs/libwebp	< 0.2.1	>= 0.2.1	All supported architectures

Description

An integer overflow flaw has been found in WebP.

Impact

A remote attacker could entice a user to open a specially crafted image in an application linked against WebP, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All WebP users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=media-libs/libwebp-0.2.1"

References

CVE-2012-5127

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201312-08.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.