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                                    CERT-Renater

                         Note d'Information No. 2006/VULN095
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DATE                      : 21/03/2006

HARDWARE PLATFORM(S)      : /

OPERATING SYSTEM(S)       : Systems running Heimdal versions prior to 0.7.2.

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Gentoo Linux Security Advisory                           GLSA 200603-14
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                                             http://security.gentoo.org/
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   Severity: Normal
      Title: Heimdal: rshd privilege escalation
       Date: March 17, 2006
       Bugs: #121839
         ID: 200603-14

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Synopsis
========

An error in the rshd daemon of Heimdal could allow authenticated users
to elevate privileges.

Background
==========

Heimdal is a free implementation of Kerberos 5.

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

     -------------------------------------------------------------------
      Package            /  Vulnerable  /                    Unaffected
     -------------------------------------------------------------------
   1  app-crypt/heimdal       < 0.7.2                          >= 0.7.2

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

An unspecified privilege escalation vulnerability in the rshd server of
Heimdal has been reported.

Impact
======

Authenticated users could exploit the vulnerability to escalate
privileges or to change the ownership and content of arbitrary files.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Heimdal users should upgrade to the latest version:

     # emerge --sync
     # emerge --ask --oneshot --verbose ">=app-crypt/heimdal-0.7.2"

References
==========

   [ 1 ] CAN-2006-0582
         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2006-0582
   [ 2 ] Heimdal Advisory 2006-02-06
         http://www.pdc.kth.se/heimdal/advisory/2006-02-06/

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

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

   http://security.gentoo.org/glsa/glsa-200603-14.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 at gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 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

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