glsa-200405-13.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200405-13">
  <title>neon heap-based buffer overflow</title>
  <synopsis>
    A vulnerability potentially allowing remote execution of arbitrary code has
    been discovered in the neon library.
  </synopsis>
  <product type="ebuild">neon</product>
  <announced>2004-05-20</announced>
  <revised>2004-05-20: 01</revised>
  <bug>51490</bug>
  <access>remote </access>
  <affected>
    <package name="net-misc/neon" auto="yes" arch="*">
      <unaffected range="ge">0.24.6</unaffected>
      <vulnerable range="le">0.24.5</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    neon provides an HTTP and WebDAV client library.
    </p>
  </background>
  <description>
    <p>
    Stefan Esser discovered a vulnerability in the code of the neon library :
    if a malicious date string is passed to the ne_rfc1036_parse() function, it
    can trigger a string overflow into static heap variables.
    </p>
  </description>
  <impact type="normal">
    <p>
    Depending on the application linked against libneon and when connected to a
    malicious WebDAV server, this vulnerability could allow execution of
    arbitrary code with the rights of the user running that application.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time. All users are advised to upgrade
    to the latest available version of neon.
    </p>
  </workaround>
  <resolution>
    <p>
    All users of neon should upgrade to the latest stable version:
    </p>
    <code>
    # emerge sync

    # emerge -pv "&gt;=net-misc/neon-0.24.6"
    # emerge "&gt;=net-misc/neon-0.24.6"</code>
  </resolution>
  <references>
    <uri link="http://security.e-matters.de/advisories/062004.html">E-matters advisory 06/2004</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0398">CAN-2004-0398</uri>
  </references>
  <metadata tag="submitter">
    koon
  </metadata>
</glsa>