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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200510-11">
+ <title>OpenSSL: SSL 2.0 protocol rollback</title>
+ <synopsis>
+ When using a specific option, OpenSSL can be forced to fallback to the less
+ secure SSL 2.0 protocol.
+ </synopsis>
+ <product type="ebuild">OpenSSL</product>
+ <announced>2005-10-12</announced>
+ <revised count="02">2005-11-07</revised>
+ <bug>108852</bug>
+ <access>remote</access>
+ <affected>
+ <package name="dev-libs/openssl" auto="yes" arch="*">
+ <unaffected range="ge">0.9.7h</unaffected>
+ <unaffected range="rge">0.9.7g-r1</unaffected>
+ <unaffected range="rge">0.9.7e-r2</unaffected>
+ <vulnerable range="lt">0.9.7h</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ OpenSSL is a toolkit implementing the Secure Sockets Layer, Transport
+ Layer Security protocols and a general-purpose cryptography library.
+ </p>
+ </background>
+ <description>
+ <p>
+ Applications setting the SSL_OP_MSIE_SSLV2_RSA_PADDING option (or the
+ SSL_OP_ALL option, that implies it) can be forced by a third-party to
+ fallback to the less secure SSL 2.0 protocol, even if both parties
+ support the more secure SSL 3.0 or TLS 1.0 protocols.
+ </p>
+ </description>
+ <impact type="low">
+ <p>
+ A man-in-the-middle attacker can weaken the encryption used to
+ communicate between two parties, potentially revealing sensitive
+ information.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ If possible, disable the use of SSL 2.0 in all OpenSSL-enabled
+ applications.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All OpenSSL users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose dev-libs/openssl</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2969">CAN-2005-2969</uri>
+ <uri link="https://www.openssl.org/news/secadv_20051011.txt ">OpenSSL security advisory</uri>
+ </references>
+ <metadata tag="requester" timestamp="2005-10-11T07:50:27Z">
+ koon
+ </metadata>
+ <metadata tag="submitter" timestamp="2005-10-11T08:03:33Z">
+ koon
+ </metadata>
+ <metadata tag="bugReady" timestamp="2005-10-12T07:47:42Z">
+ koon
+ </metadata>
+</glsa>