* [gentoo-announce] [ GLSA 201711-01 ] libxml2: Multiple vulnerabilities
@ 2017-11-10 2:52 99% Christopher Díaz Riveros
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From: Christopher Díaz Riveros @ 2017-11-10 2:52 UTC (permalink / raw
To: gentoo-announce
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Gentoo Linux Security Advisory GLSA 201711-01
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https://security.gentoo.org/
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Severity: Normal
Title: libxml2: Multiple vulnerabilities
Date: November 10, 2017
Bugs: #599192, #605208, #618604, #622914, #623206
ID: 201711-01
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Synopsis
========
Multiple vulnerabilities have been found in libxml2, the worst of which
could result in 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-r3 >= 2.9.4-r3
Description
===========
Multiple vulnerabilities have been discovered in libxml2. Please review
the CVE identifiers referenced below for details.
Impact
======
A remote attacker, by enticing a user to process a specially crafted
XML document, could remotely execute arbitrary code, conduct XML
External Entity (XXE) attacks, or cause 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-r3"
Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying some of these
packages.
References
==========
[ 1 ] CVE-2016-9318
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9318
[ 2 ] CVE-2017-0663
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-0663
[ 3 ] CVE-2017-5969
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5969
[ 4 ] CVE-2017-7375
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7375
[ 5 ] CVE-2017-9047
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9047
[ 6 ] CVE-2017-9048
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9048
[ 7 ] CVE-2017-9049
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9049
[ 8 ] CVE-2017-9050
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9050
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201711-01
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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