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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="201202-04">
+ <title>PowerDNS: Denial of service</title>
+ <synopsis>A vulnerability in PowerDNS could allow a remote attacker to create
+ a Denial of Service condition.
+ </synopsis>
+ <product type="ebuild">pdns</product>
+ <announced>2012-02-22</announced>
+ <revised count="1">2012-02-22</revised>
+ <bug>398403</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-dns/pdns" auto="yes" arch="*">
+ <unaffected range="ge">3.0.1</unaffected>
+ <vulnerable range="lt">3.0.1</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>The PowerDNS nameserver is an authoritative-only nameserver which uses a
+ flexible backend architecture.
+ </p>
+ </background>
+ <description>
+ <p>A vulnerability has been found in PowerDNS which could cause a packet
+ loop of DNS responses.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>A remote attacker could send specially crafted DNS response packets,
+ possibly resulting in a Denial of Service condition.
+ </p>
+ </impact>
+ <workaround>
+ <p>PowerDNS users can set "cache-ttl=0" in /etc/powerdns/pdns.conf and then
+ restart the PowerDNS daemon:
+ </p>
+
+ <code>
+ # /etc/init.d/pdns restart
+ </code>
+
+ <p>Please review the PowerDNS Security Advisory below for more workaround
+ details.
+ </p>
+ </workaround>
+ <resolution>
+ <p>All PowerDNS users should upgrade to the latest version:</p>
+
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=net-dns/pdns-3.0.1"
+ </code>
+
+ </resolution>
+ <references>
+ <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0206">CVE-2012-0206</uri>
+ <uri link="https://doc.powerdns.com/powerdns-advisory-2012-01.html">PowerDNS
+ Security Advisory 2012-01
+ </uri>
+ </references>
+ <metadata timestamp="2012-01-27T14:47:52Z" tag="requester">ackle</metadata>
+ <metadata timestamp="2012-02-22T19:50:34Z" tag="submitter">ackle</metadata>
+</glsa>