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[gentoo-announce] [ GLSA 201405-02 ] libSRTP: Denial of Service

Posted on 03 May 2014
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201405-02
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http://security.gentoo.org/
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Severity: Normal
Title: libSRTP: Denial of Service
Date: May 03, 2014
Bugs: #472302
ID: 201405-02

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Synopsis
========
A vulnerability in libSRTP can result in a Denial of Service condition.

Background
==========
libSRTP is an Open-source implementation of the Secure Real-time
Transport Protocol.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-libs/libsrtp < 1.4.4_p20121108-r1>= 1.4.4_p20121108-r1

Description
===========
A flaw was found in how the crypto_policy_set_from_profile_for_rtp()
function applies cryptographic profiles to an srtp_policy in libSRTP.

Impact
======
A remote attacker could exploit this vulnerability to crash an
application linked against libSRTP, resulting in Denial of Service.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All libSRTP users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot -v ">=net-libs/libsrtp-1.4.4_p20121108-r1"

References
==========
[ 1 ] CVE-2013-2139
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2139

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

http://security.gentoo.org/glsa/glsa-201405-02.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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