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Gentoo Linux Security Advisory                           GLSA 201412-33
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                                            https://security.gentoo.org/
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 Severity: High
    Title: PowerDNS Recursor: Multiple vulnerabilities
     Date: December 22, 2014
     Bugs: #299942, #404377, #514946, #531992
       ID: 201412-33

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Synopsis
=======
Multiple vulnerabilities have been found in PowerDNS Recursor, the
worst of which may allow execution of arbitrary code.

Background
=========
PowerDNS Recursor is a high-end, high-performance resolving name server

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-dns/pdns-recursor       < 3.6.1-r1               >= 3.6.1-r1

Description
==========
Multiple vulnerabilities have been discovered in PowerDNS Recursor.
Please review the CVE identifiers and PowerDNS blog post referenced
below for details.

Impact
=====
A remote attacker may be able to send specially crafted packets,
possibly resulting in arbitrary code execution or a Denial of Service
condition. Furthermore, a remote attacker may be able to spoof DNS
data.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All PowerDNS Recursor users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-dns/pdns-recursor-3.6.1-r1"

References
=========
[ 1 ] CVE-2009-4009
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4009
[ 2 ] CVE-2009-4010
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4010
[ 3 ] CVE-2012-1193
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1193
[ 4 ] CVE-2014-8601
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8601
[ 5 ] Related to recent DoS attacks: Recursor configuration file
      guidance

https://blog.powerdns.com/2014/02/06/related-to-recent-dos-attacks-recursor-configuration-file-guidance

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

 https://security.gentoo.org/glsa/201412-33

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 2014 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.

https://creativecommons.org/licenses/by-sa/2.5/