[gentoo-announce] [ GLSA 200506-24 ] Heimdal: Buffer overflow vulnerabilities

[Sune Kloppenborg Jeppesen <jaervosz () gentoo org>]

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 200506-24
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                            http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  Severity: High
     Title: Heimdal: Buffer overflow vulnerabilities
      Date: June 29, 2005
      Bugs: #96727
        ID: 200506-24

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

Multiple buffer overflow vulnerabilities in Heimdal's telnetd server
could allow the execution of arbitrary code.

Background
==========

Heimdal is a free implementation of Kerberos 5 that includes a telnetd
server.

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

    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  app-crypt/heimdal       < 0.6.5                          >= 0.6.5

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

It has been reported that the "getterminaltype" function of Heimdal's
telnetd server is vulnerable to buffer overflows.

Impact
======

An attacker could exploit this vulnerability to execute arbitrary code
with the permission of the telnetd server program.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All users should upgrade to the latest available version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-crypt/heimdal-0.6.5"

References
==========

  [ 1 ] CAN-2005-2040
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2040
  [ 2 ] Heimdal Advisory 2005-06-20
        http://www.pdc.kth.se/heimdal/advisory/2005-06-20/

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

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

  http://security.gentoo.org/glsa/glsa-200506-24.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

Attachment: _bin
Description:

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/