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

[GLSA]

Gentoo Linux Security Advisory

Title: WebP: User-assisted execution of arbitrary code (GLSA 201312-08)
Severity: normal
Exploitable: remote
Date: December 10, 2013
Bug(s): #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: media-libs/libwebp
Vulnerable: < 0.2.1
Unaffected: >= 0.2.1
Architectures: 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: