glsa-201206-30.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201206-30">
  <title>sendmail: X.509 NULL spoofing vulnerability</title>
  <synopsis>An error in the hostname matching in sendmail might enable remote
    attackers to conduct man-in-the-middle attacks.   
  </synopsis>
  <product type="ebuild">sendmail</product>
  <announced>2012-06-25</announced>
  <revised count="1">2012-06-25</revised>
  <bug>299120</bug>
  <access>remote</access>
  <affected>
    <package name="mail-mta/sendmail" auto="yes" arch="*">
      <unaffected range="ge">8.14.4</unaffected>
      <vulnerable range="lt">8.14.4</vulnerable>
    </package>
  </affected>
  <background>
    <p>sendmail is a widely-used Mail Transport Agent (MTA).</p>
  </background>
  <description>
    <p>A vulnerability has been discovered in sendmail. Please review the CVE
      identifier referenced below for details.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker might employ a specially crafted certificate to
      conduct man-in-the-middle attacks on SSL connections made using sendmail.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All sendmail users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=mail-mta/sendmail-8.14.4"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4565">CVE-2009-4565</uri>
  </references>
  <metadata timestamp="2011-10-07T23:37:22Z" tag="requester">
    underling
  </metadata>
  <metadata timestamp="2012-06-25T18:51:12Z" tag="submitter">craig</metadata>
</glsa>