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authorAlex Legler <alex@a3li.li>2015-03-08 22:02:38 +0100
committerAlex Legler <alex@a3li.li>2015-03-08 22:02:38 +0100
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+<?xml version="1.0" encoding="UTF-8"?>
+<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
+<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="201408-14">
+ <title>stunnel: Information disclosure</title>
+ <synopsis>A vulnerability in stunnel might allow remote attackers to gain
+ access to private key information.
+ </synopsis>
+ <product type="ebuild">stunnel</product>
+ <announced>August 29, 2014</announced>
+ <revised>August 29, 2014: 1</revised>
+ <bug>503506</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-misc/stunnel" auto="yes" arch="*">
+ <unaffected range="ge">5.02</unaffected>
+ <vulnerable range="lt">5.02</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>The stunnel program is designed to work as an SSL encryption wrapper
+ between a client and a local or remote server.
+ </p>
+ </background>
+ <description>
+ <p>stunnel does not properly update the state of the pseudo-random
+ generator after fork-threading which causes subsequent children with the
+ same process ID to use the same entropy pool. ECDSA and DSA keys, when
+ not used in deterministic mode (RFC6979), rely on random data for its k
+ parameter to not leak private key information.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>A remote attacker may gain access to private key information from ECDSA
+ or DSA keys.
+ </p>
+ </impact>
+ <workaround>
+ <p>There is no known workaround at this time.</p>
+ </workaround>
+ <resolution>
+ <p>All stunnel users should upgrade to the latest version:</p>
+
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=net-misc/stunnel-5.02"
+ </code>
+
+ </resolution>
+ <references>
+ <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0016">CVE-2014-0016</uri>
+ </references>
+ <metadata tag="requester" timestamp="Sun, 06 Jul 2014 22:44:37 +0000">
+ BlueKnight
+ </metadata>
+ <metadata tag="submitter" timestamp="Fri, 29 Aug 2014 18:54:29 +0000">K_F</metadata>
+</glsa>