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[gentoo-announce] [ GLSA 201405-20 ] JBIG-KIT: Denial of Service

Posted on 18 May 2014
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201405-20
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http://security.gentoo.org/
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Severity: Normal
Title: JBIG-KIT: Denial of Service
Date: May 18, 2014
Bugs: #507254
ID: 201405-20

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Synopsis
========
A stack-based buffer overflow in JBIG-KIT might allow remote attackers
to cause a Denial of Service.

Background
==========
JBIG-KIT is a software implementation of the JBIG1 data compression
standard.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/jbigkit < 2.1 >= 2.1

Description
===========
JBIG-KIT contains a stack-based buffer overflow in the jbg_dec_in
function in libjbig/jbig.c.

Impact
======
A remote attacker could possibly cause a Denial of Service condition
via a specially crafted image file.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All JBIG-KIT users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/jbigkit-2.1"

References
==========
[ 1 ] CVE-2013-6369
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6369

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

http://security.gentoo.org/glsa/glsa-201405-20.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.

License
=======
Copyright 2014 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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