[ GLSA 201405-02 ] libSRTP: Denial of Service

[GLSA]

Gentoo Linux Security Advisory

Title: libSRTP: Denial of Service (GLSA 201405-02)
Severity: normal
Exploitable: remote
Date: May 03, 2014
Bug(s): #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: net-libs/libsrtp
Vulnerable: < 1.4.4_p20121108-r1
Unaffected: >= 1.4.4_p20121108-r1
Architectures: 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: