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<?xml version="1.0" encoding="UTF-8"?>
<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.
<product type="ebuild">portage</product>
<announced>July 10, 2015</announced>
<revised>July 10, 2015: 2</revised>
<package name="sys-apps/portage" auto="yes" arch="*">
<unaffected range="ge"></unaffected>
<vulnerable range="lt"></vulnerable>
<p>Portage is the package management and distribution system for Gentoo.</p>
<p>Portage does not verify X.509 SSL certificates properly if HTTPS is
<impact type="normal">
<p>A remote attacker can spoof servers and modify binary package lists via
specially crafted certificates.
<p>There is no known workaround at this time.</p>
<p>All Portage users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=sys-apps/portage-"
<uri link="">CVE-2013-2100</uri>
<metadata tag="requester" timestamp="Mon, 11 May 2015 16:42:59 +0000">K_F</metadata>
<metadata tag="submitter" timestamp="Fri, 10 Jul 2015 13:59:39 +0000">Zlogene</metadata>