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Gentoo Linux Security Advisory - ISC DHCP: Denial of Service (GLSA 201301-06)
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Gentoo Linux Security Advisory                           GLSA 201301-06
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: ISC DHCP: Denial of Service
     Date: January 09, 2013
     Bugs: #362453, #378799, #393617, #398763, #428120, #434880
       ID: 201301-06

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Synopsis
========

Multiple vulnerabilities have been found in ISC DHCP, the worst of
which may allow remote Denial of Service.

Background
==========

ISC DHCP is a Dynamic Host Configuration Protocol (DHCP) client/server.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/dhcp               < 4.2.4_p2               >= 4.2.4_p2

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

Multiple vulnerabilities have been discovered in ISC DHCP. Please
review the CVE identifiers referenced below for details.

Impact
======

The vulnerabilities might allow remote attackers to execute arbitrary
code or cause a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All ISC DHCP users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/dhcp-4.2.4_p2"

References
==========

[ 1 ] CVE-2011-0997
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0997
[ 2 ] CVE-2011-2748
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2748
[ 3 ] CVE-2011-2749
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2749
[ 4 ] CVE-2011-4539
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4539
[ 5 ] CVE-2011-4868
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4868
[ 6 ] CVE-2012-3570
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3570
[ 7 ] CVE-2012-3571
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3571
[ 8 ] CVE-2012-3954
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3954
[ 9 ] CVE-2012-3955
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3955

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

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

 http://security.gentoo.org/glsa/glsa-201301-06.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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