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TUCoPS :: Linux :: Gentoo :: hack0426.htm

IPsec-Tools: authentication bug in racoon GLSA 200406-17



[ GLSA 200406-17 ] IPsec-Tools: authentication bug in racoon

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Gentoo Linux Security Advisory                           GLSA 200406-17
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                                            http://security.gentoo.org/ 
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  Severity: Normal
     Title: IPsec-Tools: authentication bug in racoon
      Date: June 22, 2004
      Bugs: #53915
        ID: 200406-17

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Synopsis
========

racoon provided as part of IPsec-Tools fails do proper authentication.

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        < 0.3.3                  >= 0.3.3

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

The KAME IKE daemon racoon is used to authenticate peers during Phase 1
when using either preshared keys, GSS-API, or RSA signatures. When
using RSA signatures racoon validates the X.509 certificate but not the
RSA signature.

Impact
======

By sending a valid and trusted X.509 certificate and any private key an
attacker could exploit this vulnerability to perform man-in-the-middle
attacks and initiate unauthorized connections.

Workaround
==========

There is no known workaround at this time. All users are encouraged to
upgrade to the latest available version.

Resolution
==========

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

    # emerge sync

    # emerge -pv ">=net-firewall/ipsec-tools-0.3.3"
    # emerge ">=net-firewall/ipsec-tools-0.3.3"

References
==========

  [ 1 ] IPsec-Tools Advisory
        http://ipsec-tools.sourceforge.net/x509sig.html 

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

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

     http://security.gentoo.org/glsa/glsa-200406-17.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 
http://bugs.gentoo.org. 

License
=======

Copyright 2004 Gentoo Technologies, 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/1.0 

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