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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201507-16">
  <title>Portage: Man-in-the-middle attack</title>
  <synopsis>A vulnerability in Portage's urlopen function could allow a remote
    attacker to conduct a man-in-the-middle attack. 
  </synopsis>
  <product type="ebuild">portage</product>
  <announced>2015-07-10</announced>
  <revised>2015-07-10: 2</revised>
  <bug>469888</bug>
  <access>remote</access>
  <affected>
    <package name="sys-apps/portage" auto="yes" arch="*">
      <unaffected range="ge">2.1.12.2</unaffected>
      <vulnerable range="lt">2.1.12.2</vulnerable>
    </package>
  </affected>
  <background>
    <p>Portage is the package management and distribution system for Gentoo.</p>
  </background>
  <description>
    <p>Portage does not verify X.509 SSL certificates properly if HTTPS is
      used.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker can spoof servers and modify binary package lists via
      specially crafted certificates.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All Portage users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=sys-apps/portage-2.1.12.2"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2100">CVE-2013-2100</uri>
  </references>
  <metadata tag="requester" timestamp="2015-05-11T16:42:59Z">K_F</metadata>
  <metadata tag="submitter" timestamp="2015-07-10T13:59:39Z">Zlogene</metadata>
</glsa>