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Gentoo: GLSA 201701-37 Normal: libxml2 Multiple Code Issues

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Calendar Grey January 16, 2017
Scroller Gentoo
Critical flaws discovered in libxml2 may lead to unauthorized code execution. Users are advised to upgrade immediately. Find out more.
Multiple vulnerabilities have been found in libxml2, the worst of which could lead to the execution of arbitrary code.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo code execution libxml2 normal xml parser

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?cvena...

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Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201701-37
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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: libxml2: Multiple vulnerabilities
Date: January 16, 2017
Bugs: #564776, #566374, #572878, #573820, #577998, #582538,
ID: 201701-37

Topics%20covered

Topics Covered

security advisory gentoo code execution libxml2 normal xml parser

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.

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Affected Packages

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

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.