glsa-201512-01.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201512-01">
  <title>Dnsmasq: Denial of Service</title>
  <synopsis>A vulnerability in Dnsmasq can lead to a Denial of Service
    condition.
  </synopsis>
  <product type="ebuild">dnsmasq</product>
  <announced>2015-12-17</announced>
  <revised count="1">2015-12-17</revised>
  <bug>547966</bug>
  <access>remote</access>
  <affected>
    <package name="net-dns/dnsmasq" auto="yes" arch="*">
      <unaffected range="ge">2.72-r2</unaffected>
      <vulnerable range="lt">2.72-r2</vulnerable>
    </package>
  </affected>
  <background>
    <p>Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP
      server. 
    </p>
  </background>
  <description>
    <p>An out-of-bounds read vulnerability has been found in the tcp_request
      function in Dnsmasq.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could send a specially crafted DNS request, possibly
      resulting in a Denial of Service condition.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All Dnsmasq users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-dns/dnsmasq-2.72-r2"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3294">CVE-2015-3294</uri>
  </references>
  <metadata tag="requester" timestamp="2015-08-04T14:11:32Z">
    BlueKnight
  </metadata>
  <metadata tag="submitter" timestamp="2015-12-17T15:30:29Z">ackle</metadata>
</glsa>