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Gentoo Linux Security Advisory                           GLSA 200501-05
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  Severity: High
     Title: mit-krb5: Heap overflow in libkadm5srv
      Date: January 05, 2005
      Bugs: #75143
        ID: 200501-05

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Synopsis
========

The MIT Kerberos 5 administration library (libkadm5srv) contains a heap
overflow that could lead to execution of arbitrary code.

Background
==========

MIT krb5 is the free implementation of the Kerberos network
authentication protocol by the Massachusetts Institute of Technology.

Affected packages
=================

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  app-crypt/mit-krb5       < 1.3.6                         >= 1.3.6

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

The MIT Kerberos 5 administration library libkadm5srv contains a heap
overflow in the code handling password changing.

Impact
======

Under specific circumstances an attacker could execute arbitary code
with the permissions of the user running mit-krb5, which could be the
root user.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All mit-krb5 users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-crypt/mit-krb5-1.3.6"

References
==========

  [ 1 ] CAN 2004-1189
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1189

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

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

  http://security.gentoo.org/glsa/glsa-200501-05.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

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