GLSA 201405-02: libSRTP: Denial of Service

http://security.gentoo.org/

Severity:	normal
Title:	libSRTP: Denial of Service
Date:	05/03/2014
Bugs:	#472302
ID:	201405-02

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	Architecture(s)
net-libs/libsrtp	< 1.4.4_p20121108-r1	>= 1.4.4_p20121108-r1	All supported architectures

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 --verbose
      ">=net-libs/libsrtp-1.4.4_p20121108-r1"

References

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.