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