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[gentoo-announce] [ GLSA 201701-61 ] WebP: Multiple vulnerabilities

Posted on 24 January 2017
Gentoo-announce

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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <4c95189c-3641-e461-a368-c701caf083a4@gentoo.org>
Subject: [ GLSA 201701-61 ] WebP: Multiple vulnerabilities

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Gentoo Linux Security Advisory GLSA 201701-61
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https://security.gentoo.org/
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Severity: Normal
Title: WebP: Multiple vulnerabilities
Date: January 24, 2017
Bugs: #598208
ID: 201701-61

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Synopsis
========
Multiple vulnerabilities have been discovered in WebP, the worst of
which could allow a remote attacker to cause a Denial of Service
condition.

Background
==========
WebP is an image format employing both lossy and lossless compression.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/libwebp < 0.5.2 >= 0.5.2

Description
===========
Multiple vulnerabilities have been discovered in WebP's gif2webp tool.
Please review the CVE identifier and bug reference for details.

Impact
======
A remote attacker, by enticing a user to process a specially crafted
file using WebP's gif2webp tool, could possibly cause a Denial of
Service condition or other unspecified impacts.

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-0.5.2"

References
==========
[ 1 ] CVE-2016-9085
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9085

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

https://security.gentoo.org/glsa/201701-61

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 2017 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.

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


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