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Gentoo Linux Security Advisory GLSA 201702-11
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https://security.gentoo.org/
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Severity: Normal
Title: GNU C Library: Multiple vulnerabilities
Date: February 19, 2017
Bugs: #560420, #560526, #572416, #576726, #578602
ID: 201702-11

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Synopsis
========

Multiple vulnerabilities have been found in the GNU C Library, the
worst of which allows context-dependent attackers to execute arbitrary
code.

Background
==========

The GNU C library is the standard C library used by Gentoo Linux
systems.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 sys-libs/glibc < 2.23-r3 >= 2.23-r3

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

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

Impact
======

A context-dependent attacker could possibly execute arbitrary code with
the privileges of the process, disclose sensitive information, or cause
a Denial of Service condition via multiple vectors.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GNU C Library users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=sys-libs/glibc-2.23-r3”

References
==========

[ 1 ] CVE-2014-9761
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9761
[ 2 ] CVE-2015-5277
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5277
[ 3 ] CVE-2015-8776
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8776
[ 4 ] CVE-2015-8777
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8777
[ 5 ] CVE-2015-8778
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8778
[ 6 ] CVE-2015-8779
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8779
[ 7 ] CVE-2016-1234
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1234
[ 8 ] CVE-2016-3075
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3075

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

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

https://security.gentoo.org/glsa/201702-11

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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