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Gentoo Linux Security Advisory                           GLSA 201312-12
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: MIT Kerberos 5: Multiple vulnerabilities
     Date: December 16, 2013
     Bugs: #429324, #466268, #469752, #490668, #494062, #494064
       ID: 201312-12

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Synopsis
========

Multiple vulnerabilities have been discovered in MIT Kerberos 5,
allowing execution of arbitrary code or Denial of Service.

Background
==========

MIT Kerberos 5 is a suite of applications that implement the Kerberos
network protocol.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-crypt/mit-krb5           < 1.11.4                  >= 1.11.4

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

Multiple vulnerabilities have been discovered in the Key Distribution
Center in MIT Kerberos 5. Please review the CVE identifiers referenced
below for details.

Impact
======

A remote attacker could send a specially crafted request, possibly
resulting in execution of arbitrary code with the privileges of the
process or a Denial of Service condition. Additionally, a remote
attacker could impersonate a kadmind server and send a specially
crafted packet to the password change port, which can result in a
ping-pong condition and a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All MIT Kerberos 5 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-crypt/mit-krb5-1.11.4"

References
==========

[ 1 ] CVE-2002-2443
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2002-2443
[ 2 ] CVE-2012-1014
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1014
[ 3 ] CVE-2012-1015
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1015
[ 4 ] CVE-2013-1416
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1416
[ 5 ] CVE-2013-1417
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1417
[ 6 ] CVE-2013-1418
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1418
[ 7 ] CVE-2013-6800
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6800

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

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

 http://security.gentoo.org/glsa/glsa-201312-12.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
https://bugs.gentoo.org.

License
=======

Copyright 2013 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/2.5


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