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[ GLSA 201201-13 ] MIT Kerberos 5: Multiple vulnerabilities
From: Sean Amoss <ackle () gentoo org>
Date: Mon, 23 Jan 2012 15:31:18 -0500

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Gentoo Linux Security Advisory                           GLSA 201201-13
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                                            http://security.gentoo.org/
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 Severity: High
    Title: MIT Kerberos 5: Multiple vulnerabilities
     Date: January 23, 2012
     Bugs: #303723, #308021, #321935, #323525, #339866, #347369,
           #352859, #359129, #363507, #387585, #393429
       ID: 201201-13

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Synopsis
========

Multiple vulnerabilities have been found in MIT Kerberos 5, the most
severe of which may allow remote execution of arbitrary code.

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          < 1.9.2-r1               >= 1.9.2-r1

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

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

Impact
======

A remote attacker may be able to execute arbitrary code with the
privileges of the administration daemon or the Key Distribution Center
(KDC) daemon, cause a Denial of Service condition, or possibly obtain
sensitive information. Furthermore, a remote attacker may be able to
spoof Kerberos authorization, modify KDC responses, forge user data
messages, forge tokens, forge signatures, impersonate a client, modify
user-visible prompt text, or have other unspecified impact.

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-krb5-1.9.2-r1"

References
==========

[  1 ] CVE-2009-3295
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-3295
[  2 ] CVE-2009-4212
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4212
[  3 ] CVE-2010-0283
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0283
[  4 ] CVE-2010-0629
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0629
[  5 ] CVE-2010-1320
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-1320
[  6 ] CVE-2010-1321
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-1321
[  7 ] CVE-2010-1322
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-1322
[  8 ] CVE-2010-1323
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-1323
[  9 ] CVE-2010-1324
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-1324
[ 10 ] CVE-2010-4020
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4020
[ 11 ] CVE-2010-4021
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4021
[ 12 ] CVE-2010-4022
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4022
[ 13 ] CVE-2011-0281
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0281
[ 14 ] CVE-2011-0282
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0282
[ 15 ] CVE-2011-0283
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0283
[ 16 ] CVE-2011-0284
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0284
[ 17 ] CVE-2011-0285
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0285
[ 18 ] CVE-2011-1527
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1527
[ 19 ] CVE-2011-1528
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1528
[ 20 ] CVE-2011-1529
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1529
[ 21 ] CVE-2011-1530
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1530
[ 22 ] CVE-2011-4151
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4151

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

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

 http://security.gentoo.org/glsa/glsa-201201-13.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 2012 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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