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Gentoo Linux Security Advisory                           GLSA 201312-08
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                                            https://security.gentoo.org/
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 Severity: Normal
    Title: WebP: User-assisted execution of arbitrary code
     Date: December 10, 2013
     Bugs: #442152
       ID: 201312-08

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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
    -------------------------------------------------------------------
  1  media-libs/libwebp           < 0.2.1                    >= 0.2.1

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
=========
[ 1 ] CVE-2012-5127
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5127

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201312-08

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.

License
======
Copyright 2013 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/