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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">

<glsa id="200605-10">
  <title>pdnsd: Denial of Service and potential arbitrary code execution</title>
  <synopsis>
    pdnsd is vulnerable to a buffer overflow that may result in arbitrary code
    execution.
  </synopsis>
  <product type="ebuild">pdnsd</product>
  <announced>May 10, 2006</announced>
  <revised>May 10, 2006: 01</revised>
  <bug>131341</bug>
  <access>remote</access>
  <affected>
    <package name="net-dns/pdnsd" auto="yes" arch="*">
      <unaffected range="ge">1.2.4</unaffected>
      <vulnerable range="lt">1.2.4</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    pdnsd is a proxy DNS server with permanent caching that is
    designed to cope with unreachable DNS servers.
    </p>
  </background>
  <description>
    <p>
    The pdnsd team has discovered an unspecified buffer overflow
    vulnerability. The PROTOS DNS Test Suite, by the Oulu University Secure
    Programming Group (OUSPG), has also revealed a memory leak error within
    the handling of the QTYPE and QCLASS DNS queries, leading to
    consumption of large amounts of memory.
    </p>
  </description>
  <impact type="high">
    <p>
    An attacker can craft malicious DNS queries leading to a Denial of
    Service, and potentially the execution of arbitrary code.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All pdnsd users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=net-dns/pdnsd-1.2.4-r1&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2076">CVE-2006-2076</uri>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2077">CVE-2006-2077</uri>
  </references>
  <metadata tag="bugReady" timestamp="Sat, 06 May 2006 16:17:08 +0000">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="Sun, 07 May 2006 10:55:02 +0000">
    falco
  </metadata>
</glsa>