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Gentoo: GLSA-201312-08 Normal: WebP Integer Overflow Denial of Service

gentoo
Calendar Grey December 10, 2013
Dist Gentoo Esm H88
Gentoo GLSA 202301-12 alerts that a buffer overflow in PNG processing could result in unauthorized code execution or Service Interruption.
An integer overflow vulnerability in WebP could lead to arbitrary code execution or Denial of Service.

Summary

An integer overflow flaw has been found in WebP.

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
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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.

Severity: Normal
Title: WebP: User-assisted execution of arbitrary code
Date: December 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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-libs/libwebp < 0.2.1 >= 0.2.1

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.

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