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Gentoo Linux Security Advisory 201701-21

Gentoo Linux Security Advisory 201701-21
Posted Jan 11, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201701-21 - Multiple vulnerabilities have been found in Expat, the worst of which may allow execution of arbitrary code. Versions less than 2.2.0-r1 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2012-6702, CVE-2013-0340, CVE-2015-1283, CVE-2016-0718, CVE-2016-4472, CVE-2016-5300
MD5 | 9900fb8757b3436555947e2691bf6f5e

Gentoo Linux Security Advisory 201701-21

Change Mirror Download

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Gentoo Linux Security Advisory GLSA 201701-21
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https://security.gentoo.org/
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Severity: Normal
Title: Expat: Multiple vulnerabilities
Date: January 11, 2017
Bugs: #458742, #555642, #577928, #583268, #585510
ID: 201701-21

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Synopsis
========

Multiple vulnerabilities have been found in Expat, the worst of which
may allow execution of arbitrary code.

Background
==========

Expat is a set of XML parsing libraries.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/expat < 2.2.0-r1 >= 2.2.0-r1

Description
===========

Multiple vulnerabilities have been discovered in Expat. Please review
the CVE identifiers referenced below for details.

Impact
======

A remote attacker, by enticing a user to process a specially crafted
XML file, could execute arbitrary code with the privileges of the
process or cause a Denial of Service condition. This attack could also
be used against automated systems that arbitrarily process XML files.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Expat users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/expat-2.2.0-r1"

References
==========

[ 1 ] CVE-2012-6702
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6702
[ 2 ] CVE-2013-0340
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0340
[ 3 ] CVE-2015-1283
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1283
[ 4 ] CVE-2016-0718
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0718
[ 5 ] CVE-2016-4472
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4472
[ 6 ] CVE-2016-5300
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5300

Availability
============

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

https://security.gentoo.org/glsa/201701-21

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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