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Gentoo Linux Security Advisory                           GLSA 200503-33
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: IPsec-Tools: racoon Denial of Service
      Date: March 25, 2005
      Bugs: #84479
        ID: 200503-33

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Synopsis
========

IPsec-Tools' racoon is affected by a remote Denial of Service
vulnerability.

Background
==========

IPsec-Tools is a port of KAME's implementation of the IPsec utilities.
It contains a collection of network monitoring tools, including racoon,
ping, and ping6.

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

    -------------------------------------------------------------------
     Package                   /  Vulnerable  /             Unaffected
    -------------------------------------------------------------------
  1  net-firewall/ipsec-tools      < 0.5-r1                 *>= 0.4-r1
                                                             >= 0.5-r1

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

Sebastian Krahmer has reported a potential remote Denial of Service
vulnerability in the ISAKMP header parsing code of racoon.

Impact
======

An attacker could possibly cause a Denial of Service of racoon using a
specially crafted ISAKMP packet.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All IPsec-Tools users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
 ">=net-firewall/ipsec-tools-0.4-r1"

References
==========

  [ 1 ] CAN-2005-0398
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0398
  [ 2 ] ipsec-tools-devel posting
        forum.php?thread_id=6787713&forum_id=32000

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

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

  http://security.gentoo.org/glsa/glsa-200503-33.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 2005 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/2.0