glsa-201804-05.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201804-05">
  <title>ISC DHCP: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in ISC DHCP, the worst of
    which could allow for the remote execution of arbitrary code.
  </synopsis>
  <product type="ebuild">dhcp</product>
  <announced>2018-04-08</announced>
  <revised count="1">2018-04-08</revised>
  <bug>644708</bug>
  <bug>649010</bug>
  <access>remote</access>
  <affected>
    <package name="net-misc/dhcp" auto="yes" arch="*">
      <unaffected range="ge">4.3.6_p1</unaffected>
      <vulnerable range="lt">4.3.6_p1</vulnerable>
    </package>
  </affected>
  <background>
    <p>ISC DHCP is a Dynamic Host Configuration Protocol (DHCP) client/server.</p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in ISC DHCP. Please review
      the CVE identifiers referenced below for details.
    </p>
  </description>
  <impact type="normal">
    <p>Remote attackers could execute arbitrary code, cause a Denial of Service
      condition, or have other unspecified impacts.
    </p>
  </impact>
  <workaround>
    <p>There are no known workarounds at this time for CVE-2018-5732 or
      CVE-2018-5733.
    </p>
    
    <p>In accordance with upstream documentation, the recommended workaround
      for CVE-2017-3144 is, “to disallow access to the OMAPI control port
      from unauthorized clients (in accordance with best practices for server
      operation).”
    </p>
  </workaround>
  <resolution>
    <p>All DHCP users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-misc/dhcp-4.3.6_p1"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2017-3144">CVE-2017-3144</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-5732">CVE-2018-5732</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-5733">CVE-2018-5733</uri>
  </references>
  <metadata tag="requester" timestamp="2018-03-13T18:06:24Z">chrisadr</metadata>
  <metadata tag="submitter" timestamp="2018-04-08T16:46:04Z">b-man</metadata>
</glsa>