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Gentoo Linux Security Advisory                           GLSA 200703-25
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Ekiga: Format string vulnerability
      Date: March 29, 2007
      Bugs: #167643
        ID: 200703-25

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Synopsis
========

A format string vulnerability in Ekiga may allow the remote execution
of arbitrary code.

Background
==========

Ekiga is an open source VoIP and video conferencing application.

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

    -------------------------------------------------------------------
     Package       /  Vulnerable  /                         Unaffected
    -------------------------------------------------------------------
  1  net-im/ekiga       < 2.0.7                               >= 2.0.7

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

Mu Security has discovered that Ekiga fails to implement formatted
printing correctly.

Impact
======

An attacker could exploit this vulnerability to crash Ekiga and
potentially execute arbitrary code by sending a specially crafted Q.931
SETUP packet to a victim.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Ekiga users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-im/ekiga-2.0.7"

References
==========

  [ 1 ] CVE-2007-1006
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1006

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

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

  http://security.gentoo.org/glsa/glsa-200703-25.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
http://bugs.gentoo.org.

License
=======

Copyright 2007 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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