GLSA 200502-15: PowerDNS: Denial of Service vulnerability
Posted on: 02/13/2005 04:11 PM

A PowerDNS security update is available for Gentoo Linux

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Gentoo Linux Security Advisory GLSA 200502-15
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http://security.gentoo.org/
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Severity: Normal
Title: PowerDNS: Denial of Service vulnerability
Date: February 13, 2005
Bugs: #80713
ID: 200502-15

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Synopsis
=======

A vulnerability in PowerDNS could lead to a temporary Denial of Service.

Background
=========

The PowerDNS Nameserver is an authoritative-only nameserver which uses a flexible backend architecture.

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

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Package / Vulnerable / Unaffected
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1 net-dns/pdns < 2.9.17 >= 2.9.17

Description
==========

A vulnerability has been reported in the DNSPacket::expand method of dnspacket.cc.

Impact
=====

An attacker could cause a temporary Denial of Service by sending a random stream of bytes to the PowerDNS Daemon.

Workaround
=========

There is no known workaround at this time.

Resolution
=========

All PowerDNS users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/pdns-2.9.17"

References
=========

[ 1 ] PowerDNS Release Notes
http://doc.powerdns.com/changelog.html#CHANGELOG-2-9-17
[ 2 ] PowerDNS Ticket #21
http://ds9a.nl/cgi-bin/cvstrac/pdns/tktview?tn=21

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

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

http://security.gentoo.org/glsa/glsa-200502-15.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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