gentoo-overlay/metadata/glsa/glsa-202012-18.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202012-18">
  <title>PowerDNS: information disclosure</title>
  <synopsis>An information disclosure vulnerability in PowerDNS allow remote
    attackers to obtain sensitive information.
  </synopsis>
  <product type="ebuild">pdns</product>
  <announced>2020-12-23</announced>
  <revised count="1">2020-12-23</revised>
  <bug>744160</bug>
  <access>remote</access>
  <affected>
    <package name="net-dns/pdns" auto="yes" arch="*">
      <unaffected range="ge">4.3.1</unaffected>
      <vulnerable range="lt">4.3.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>The PowerDNS nameserver is an authoritative-only nameserver which uses a
      flexible backend architecture.
    </p>
  </background>
  <description>
    <p>It was discovered that PowerDNS did not properly handle certain unknown
      records.
    </p>
  </description>
  <impact type="low">
    <p>An authorized attacker with the ability to insert crafted records into a
      zone might be able to leak the content of uninitialized memory. Crafted
      records cannot be inserted via AXFR.
    </p>
  </impact>
  <workaround>
    <p>Do not take zone data from untrusted users.</p>
  </workaround>
  <resolution>
    <p>All PowerDNS users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-dns/pdns-4.3.1"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-17482">CVE-2020-17482</uri>
    <uri link="https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-05.html">
      PowerDNS Security Advisory 2020-05
    </uri>
  </references>
  <metadata tag="requester" timestamp="2020-12-23T16:32:50Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2020-12-23T19:54:22Z">whissi</metadata>
</glsa>