<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202011-02">
  <title>OpenDMARC: Heap-based buffer overflow</title>
  <synopsis>A heap-based buffer overflow in OpenDMARC might allow remote
    attackers to execute arbitrary code.
  </synopsis>
  <product type="ebuild">opendmarc</product>
  <announced>2020-11-03</announced>
  <revised count="1">2020-11-03</revised>
  <bug>734158</bug>
  <access>local, remote</access>
  <affected>
    <package name="mail-filter/opendmarc" auto="yes" arch="*">
      <unaffected range="ge">1.3.3</unaffected>
      <vulnerable range="lt">1.3.3</vulnerable>
    </package>
  </affected>
  <background>
    <p>OpenDMARC is an open source DMARC implementation.</p>
  </background>
  <description>
    <p>It was found that OpenDMARC did not properly handle DMARC aggregate
      reports.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker, by sending a specially crafted DMARC aggregate
      report, could possibly cause a Denial of Service condition and depending
      on how OpenDMARC library is used in linked application execute arbitrary
      code with the privileges of the process.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All OpenDMARC users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=mail-filter/opendmarc-1.3.3"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-12460">CVE-2020-12460</uri>
  </references>
  <metadata tag="requester" timestamp="2020-10-15T18:55:45Z">sam_c</metadata>
  <metadata tag="submitter" timestamp="2020-11-03T00:33:08Z">sam_c</metadata>
</glsa>