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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200404-05">
+ <title>ipsec-tools contains an X.509 certificates vulnerability.</title>
+ <synopsis>
+ ipsec-tools contains a vulnerability that affects connections authenticated
+ with X.509 certificates.
+ </synopsis>
+ <product type="ebuild">ipsec-tools</product>
+ <announced>2004-04-07</announced>
+ <revised count="01">2004-04-07</revised>
+ <bug>47013</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-firewall/ipsec-tools" auto="yes" arch="amd64">
+ <unaffected range="ge">0.2.5</unaffected>
+ <vulnerable range="le">0.2.4</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ From http://ipsec-tools.sourceforge.net/ :
+ </p>
+ <p>
+ "IPsec-Tools is a port of KAME's IPsec utilities to the Linux-2.6
+ IPsec implementation."
+ </p>
+ </background>
+ <description>
+ <p>
+ <i>racoon</i> (a utility in the ipsec-tools package) does not verify digital
+ signatures on Phase1 packets. This means that anybody holding the correct
+ X.509 certificate would be able to establish a connection, even if they did
+ not have the corresponding private key.
+ </p>
+ </description>
+ <impact type="high">
+ <p>
+ Since digital signatures are not verified by the <i>racoon</i> tool, an attacker may
+ be able to connect to the VPN gateway and/or execute a man-in-the-middle attack.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ A workaround is not currently known for this issue. All users are advised
+ to upgrade to the latest version of the affected package.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ ipsec-tools users should upgrade to version 0.2.5 or later:
+ </p>
+ <code>
+ # emerge sync
+
+ # emerge -pv "&gt;=net-firewall/ipsec-tools-0.2.5"
+ # emerge "&gt;=net-firewall/ipsec-tools-0.2.5"</code>
+ </resolution>
+ <references>
+ </references>
+ <metadata tag="submitter">klieber</metadata>
+</glsa>