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Gentoo Linux Security Advisory 201701-37

Gentoo Linux Security Advisory 201701-37
Posted Jan 17, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201701-37 - Multiple vulnerabilities have been found in libxml2, the worst of which could lead to the execution of arbitrary code. Versions less than 2.9.4-r1 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2015-1819, CVE-2015-5312, CVE-2015-7497, CVE-2015-7498, CVE-2015-7499, CVE-2015-7500, CVE-2015-7941, CVE-2015-7942, CVE-2015-8035, CVE-2015-8242, CVE-2015-8806, CVE-2016-1836, CVE-2016-1838, CVE-2016-1839, CVE-2016-1840, CVE-2016-2073, CVE-2016-3627, CVE-2016-3705, CVE-2016-4483, CVE-2016-4658, CVE-2016-5131
MD5 | eb3420ebd6d030fa80ec3adcb3d1f24c

Gentoo Linux Security Advisory 201701-37

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201701-37
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https://security.gentoo.org/
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Severity: Normal
Title: libxml2: Multiple vulnerabilities
Date: January 16, 2017
Bugs: #564776, #566374, #572878, #573820, #577998, #582538,
#582540, #583888, #589816, #597112, #597114, #597116
ID: 201701-37

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Synopsis
========

Multiple vulnerabilities have been found in libxml2, the worst of which
could lead to the execution of arbitrary code.

Background
==========

libxml2 is the XML (eXtended Markup Language) C parser and toolkit
initially developed for the Gnome project.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/libxml2 < 2.9.4-r1 >= 2.9.4-r1

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

Multiple vulnerabilities have been discovered in libxml2. Please review
the CVE identifiers referenced below for details.

Impact
======

A remote attacker could entice a user or automated system to process a
specially crafted XML document, 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 libxml2 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.9.4-r1"

References
==========

[ 1 ] CVE-2015-1819
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1819
[ 2 ] CVE-2015-5312
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5312
[ 3 ] CVE-2015-7497
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7497
[ 4 ] CVE-2015-7498
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7498
[ 5 ] CVE-2015-7499
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7499
[ 6 ] CVE-2015-7500
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7500
[ 7 ] CVE-2015-7941
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7941
[ 8 ] CVE-2015-7942
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7942
[ 9 ] CVE-2015-8035
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8035
[ 10 ] CVE-2015-8242
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8242
[ 11 ] CVE-2015-8806
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8806
[ 12 ] CVE-2016-1836
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1836
[ 13 ] CVE-2016-1838
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1838
[ 14 ] CVE-2016-1839
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1839
[ 15 ] CVE-2016-1840
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1840
[ 16 ] CVE-2016-2073
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2073
[ 17 ] CVE-2016-3627
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3627
[ 18 ] CVE-2016-3705
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3705
[ 19 ] CVE-2016-4483
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4483
[ 20 ] CVE-2016-4658
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4658
[ 21 ] CVE-2016-5131
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5131

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

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

https://security.gentoo.org/glsa/201701-37

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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