Gentoo: 201209-17 Pidgin: Arbitrary code execution
Posted by Benjamin D. Thomas   
Gentoo A buffer overflow in Pidgin might allow remote attackers to execute arbitrary code or cause Denial of Service.
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Gentoo Linux Security Advisory                           GLSA 201209-17
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                                            http://security.gentoo.org/
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 Severity: High
    Title: Pidgin: Arbitrary code execution
     Date: September 27, 2012
     Bugs: #425076
       ID: 201209-17

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Synopsis
========

A buffer overflow in Pidgin might allow remote attackers to execute
arbitrary code or cause Denial of Service.

Background
==========

Pidgin is a GTK Instant Messenger client for a variety of instant
messaging protocols. libpurple is the core library for Pidgin.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-im/pidgin                < 2.10.6                  >= 2.10.6

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

A stack-based buffer overflow vulnerability has been found in the MXit
protocol plug-in for libpurple.

Impact
======

A remote attacker could possibly execute arbitrary code with the
privileges of the Pidgin process, or cause a Denial of Service
condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Pidgin users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-im/pidgin-2.10.6"

References
==========

[ 1 ] CVE-2012-3374
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3374

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

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

 http://security.gentoo.org/glsa/glsa-201209-17.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 2012 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