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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200801-16">
+ <title>MaraDNS: CNAME Denial of service</title>
+ <synopsis>
+ MaraDNS is prone to a Denial of Service vulnerability impacting CNAME
+ resolution.
+ </synopsis>
+ <product type="ebuild">maradns</product>
+ <announced>2008-01-29</announced>
+ <revised count="01">2008-01-29</revised>
+ <bug>204351</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-dns/maradns" auto="yes" arch="*">
+ <unaffected range="ge">1.2.12.08</unaffected>
+ <vulnerable range="lt">1.2.12.08</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ MaraDNS is a package that implements the Domain Name Service (DNS) with
+ resolver and caching ability.
+ </p>
+ </background>
+ <description>
+ <p>
+ Michael Krieger reported that a specially crafted DNS could prevent an
+ authoritative canonical name (CNAME) record from being resolved because
+ of an "improper rotation of resource records".
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker could send specially crafted DNS packets to a
+ vulnerable server, making it unable to resolve CNAME records.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ Add "max_ar_chain = 2" to the "marac" configuration file.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All MaraDNS users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=net-dns/maradns-1.2.12.09"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0061">CVE-2008-0061</uri>
+ </references>
+ <metadata tag="requester" timestamp="2008-01-27T19:19:02Z">
+ rbu
+ </metadata>
+ <metadata tag="submitter" timestamp="2008-01-28T17:41:20Z">
+ falco
+ </metadata>
+ <metadata tag="bugReady" timestamp="2008-01-28T18:03:45Z">
+ falco
+ </metadata>
+</glsa>