glsa-201710-27.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201710-27">
  <title>Dnsmasq: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in Dnsmasq, the worst of
    which may allow remote attackers to execute arbitrary code.
    
  </synopsis>
  <product type="ebuild">dnsmasq</product>
  <announced>2017-10-23</announced>
  <revised>2017-10-23: 1</revised>
  <bug>632692</bug>
  <access>remote</access>
  <affected>
    <package name="net-dns/dnsmasq" auto="yes" arch="*">
      <unaffected range="ge">2.78</unaffected>
      <vulnerable range="lt">2.78</vulnerable>
    </package>
  </affected>
  <background>
    <p>Dnsmasq is a lightweight and easily-configurable DNS forwarder and DHCP
      server.
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in Dnsmasq. Please review
      the references below for details.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could execute arbitrary code or cause a Denial of
      Service condition via crafted DNS, IPv6, or DHCPv6 packets.
    </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-2.78"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14491">
      CVE-2017-14491
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14492">
      CVE-2017-14492
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14493">
      CVE-2017-14493
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14494">
      CVE-2017-14494
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14495">
      CVE-2017-14495
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14496">
      CVE-2017-14496
    </uri>
  </references>
  <metadata tag="requester" timestamp="2017-10-22T23:49:34Z">b-man</metadata>
  <metadata tag="submitter" timestamp="2017-10-23T01:46:04Z">chrisadr</metadata>
</glsa>