zlogene 14/04/08 10:16:01 Added: glsa-201404-07.xml Log: GLSA 201404-07
Revision Changes Path 1.1 xml/htdocs/security/en/glsa/glsa-201404-07.xml file : http://sources.gentoo.org/viewvc.cgi/gentoo/xml/htdocs/security/en/glsa/glsa-201404-07.xml?rev=1.1&view=markup plain: http://sources.gentoo.org/viewvc.cgi/gentoo/xml/htdocs/security/en/glsa/glsa-201404-07.xml?rev=1.1&content-type=text/plain Index: glsa-201404-07.xml =================================================================== <?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="201404-07"> <title>OpenSSL: Information Disclosure</title> <synopsis>Multiple Information Disclosure vulnerabilities in OpenSSL allow remote attackers to obtain sensitive information via various vectors. </synopsis> <product type="ebuild">openssl</product> <announced>April 08, 2014</announced> <revised>April 08, 2014: 1</revised> <bug>505278</bug> <bug>507074</bug> <access>remote</access> <affected> <package name="dev-libs/openssl" auto="yes" arch="*"> <unaffected range="ge">1.0.1g</unaffected> <vulnerable range="lt">1.0.1g</vulnerable> </package> </affected> <background> <p>OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general purpose cryptography library. </p> </background> <description> <p>Multiple vulnerabilities have been found in OpenSSL:</p> <ul> <li>OpenSSL incorrectly handles memory in the TLS heartbeat extension, leading to information disclosure of 64kb per request, possibly including private keys (“Heartbleed bug”, OpenSSL 1.0.1 only, CVE-2014-0160). </li> <li>The Montgomery ladder implementation of OpenSSL improperly handles swap operations (CVE-2014-0076). </li> </ul> </description> <impact type="normal"> <p>A remote attacker could exploit these issues to disclose information, including private keys or other sensitive information, or perform side-channel attacks to obtain ECDSA nonces. </p> </impact> <workaround> <p>Disabling the tls-heartbeat USE flag (enabled by default) provides a workaround for the CVE-2014-0160 issue. </p> </workaround> <resolution> <p>All OpenSSL users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.1g" </code> <p>Note: All services using OpenSSL to provide TLS connections have to be restarted for the update to take effect. Utilities like app-admin/lib_users can aid in identifying programs using OpenSSL. </p> <p>As private keys may have been compromised using the Heartbleed attack, it is recommended to regenerate them. </p> </resolution> <references> <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0076";>CVE-2014-0076</uri> <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0160";>CVE-2014-0160</uri> <uri link="http://heartbleed.com/";>Heartbleed bug website</uri> </references> <metadata tag="requester" timestamp="Tue, 08 Apr 2014 09:37:45 +0000">a3li</metadata> <metadata tag="submitter" timestamp="Tue, 08 Apr 2014 10:14:16 +0000">a3li</metadata> </glsa>
