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Gentoo Linux Security Advisory GLSA 201405-05
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http://security.gentoo.org/
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Severity: Normal
Title: Asterisk: Denial of Service
Date: May 03, 2014
Bugs: #504180
ID: 201405-05

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Synopsis
========

Multiple buffer overflows in Asterisk might allow remote attackers to
cause a Denial of Service condition.

Background
==========

Asterisk is an open source telephony engine and toolkit.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-misc/asterisk < 11.8.1 *>= 1.8.26.1
>= 11.8.1

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

Multiple vulnerabilities have been discovered in Asterisk. Please
review the CVE identifiers and Asterisk Project Security Advisories
referenced below for details.

Impact
======

A remote attacker could possibly cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Asterisk 11.* users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=net-misc/asterisk-11.8.1”

All Asterisk 1.8.* users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=net-misc/asterisk-1.8.26.1”

References
==========

[ 1 ] AST-2014-001
http://downloads.asterisk.org/pub/security/AST-2014-001.pdf
[ 2 ] AST-2014-002
http://downloads.asterisk.org/pub/security/AST-2014-002.pdf
[ 3 ] AST-2014-003
http://downloads.asterisk.org/pub/security/AST-2014-003.pdf
[ 4 ] AST-2014-004
http://downloads.asterisk.org/pub/security/AST-2014-004.pdf
[ 5 ] CVE-2014-2286
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2286
[ 6 ] CVE-2014-2287
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2287
[ 7 ] CVE-2014-2288
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2288
[ 8 ] CVE-2014-2289
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2289

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

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

http://security.gentoo.org/glsa/glsa-201405-05.xml

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 2014 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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