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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="200905-04">
+ <title>GnuTLS: Multiple vulnerabilities</title>
+ <synopsis>
+ Multiple vulnerabilities in GnuTLS might result in a Denial of Service,
+ spoofing or the generation of invalid keys.
+ </synopsis>
+ <product type="ebuild">gnutls</product>
+ <announced>May 24, 2009</announced>
+ <revised>May 24, 2009: 01</revised>
+ <bug>267774</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-libs/gnutls" auto="yes" arch="*">
+ <unaffected range="ge">2.6.6</unaffected>
+ <vulnerable range="lt">2.6.6</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ GnuTLS is an Open Source implementation of the TLS 1.0 and SSL 3.0
+ protocols.
+ </p>
+ </background>
+ <description>
+ <p>
+ The following vulnerabilities were found in GnuTLS:
+ </p>
+ <ul>
+ <li>Miroslav Kratochvil reported that lib/pk-libgcrypt.c does not
+ properly handle corrupt DSA signatures, possibly leading to a
+ double-free vulnerability (CVE-2009-1415).</li>
+ <li>Simon Josefsson
+ reported that GnuTLS generates RSA keys stored in DSA structures when
+ creating a DSA key (CVE-2009-1416).</li>
+ <li>Romain Francoise reported
+ that the _gnutls_x509_verify_certificate() function in
+ lib/x509/verify.c does not perform time checks, resulting in the
+ "gnutls-cli" program accepting X.509 certificates with validity times
+ in the past or future (CVE-2009-1417).</li>
+ </ul>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker could entice a user or automated system to process a
+ specially crafted DSA certificate, possibly resulting in a Denial of
+ Service condition. NOTE: This issue might have other unspecified impact
+ including the execution of arbitrary code. Furthermore, a remote
+ attacker could spoof signatures on certificates and the "gnutls-cli"
+ application can be tricked into accepting an invalid certificate.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All GnuTLS users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose &quot;&gt;=net-libs/gnutls-2.6.6&quot;</code>
+ </resolution>
+ <references>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1415">CVE-2009-1415</uri>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1416">CVE-2009-1416</uri>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1417">CVE-2009-1417</uri>
+ </references>
+ <metadata tag="requester" timestamp="Wed, 06 May 2009 18:48:21 +0000">
+ a3li
+ </metadata>
+ <metadata tag="submitter" timestamp="Thu, 07 May 2009 11:40:21 +0000">
+ a3li
+ </metadata>
+ <metadata tag="bugReady" timestamp="Sun, 24 May 2009 11:17:39 +0000">
+ p-y
+ </metadata>
+</glsa>