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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
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
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@xxxxxxxxxx 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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