glsa-201401-05.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201401-05">
  <title>ISC DHCP: Denial of Service</title>
  <synopsis>A memory exhaustion vulnerability in ISC DHCP could lead to Denial
    of Service.
  </synopsis>
  <product type="ebuild">dhcp</product>
  <announced>2014-01-06</announced>
  <revised count="1">2014-01-06</revised>
  <bug>463848</bug>
  <access>remote</access>
  <affected>
    <package name="net-misc/dhcp" auto="yes" arch="*">
      <unaffected range="ge">4.2.5_p1</unaffected>
      <vulnerable range="lt">4.2.5_p1</vulnerable>
    </package>
  </affected>
  <background>
    <p>ISC DHCP is a Dynamic Host Configuration Protocol (DHCP) client/server.</p>
  </background>
  <description>
    <p>ISC DHCP is vulnerable to a memory exhaustion attack involving regular
      expressions sent by DHCP clients.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could send a specially crafted request from a
      malicious or spoofed client, potentially leading to a Denial of Service
      condition.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All ISC DHCP users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-misc/dhcp-4.2.5_p1"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2494">CVE-2013-2494</uri>
  </references>
  <metadata tag="requester" timestamp="2013-09-03T16:23:20Z">
    creffett
  </metadata>
  <metadata tag="submitter" timestamp="2014-01-06T21:52:49Z">
    creffett
  </metadata>
</glsa>