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Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200512-04.xml')
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diff --git a/xml/htdocs/security/en/glsa/glsa-200512-04.xml b/xml/htdocs/security/en/glsa/glsa-200512-04.xml new file mode 100644 index 00000000..0c78d0d9 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200512-04.xml @@ -0,0 +1,89 @@ +<?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="200512-04"> + <title>Openswan, IPsec-Tools: Vulnerabilities in ISAKMP Protocol implementation</title> + <synopsis> + Openswan and IPsec-Tools suffer from an implementation flaw which may allow + a Denial of Service attack. + </synopsis> + <product type="ebuild">openswan ipsec-tools</product> + <announced>December 12, 2005</announced> + <revised>December 14, 2005: 02</revised> + <bug>112568</bug> + <bug>113201</bug> + <access>remote</access> + <affected> + <package name="net-misc/openswan" auto="yes" arch="*"> + <unaffected range="ge">2.4.4</unaffected> + <vulnerable range="lt">2.4.4</vulnerable> + </package> + <package name="net-firewall/ipsec-tools" auto="yes" arch="*"> + <unaffected range="ge">0.6.3</unaffected> + <unaffected range="rge">0.6.2-r1</unaffected> + <unaffected range="rge">0.4-r2</unaffected> + <vulnerable range="lt">0.6.3</vulnerable> + </package> + </affected> + <background> + <p> + Openswan is an implementation of IPsec for Linux. IPsec-Tools is a port + of KAME's implementation of the IPsec utilities, including racoon, an + Internet Key Exchange daemon. Internet Key Exchange version 1 (IKEv1), + a derivate of ISAKMP, is an important part of IPsec. IPsec is widely + used to secure exchange of packets at the IP layer and mostly used to + implement Virtual Private Networks (VPNs). + </p> + </background> + <description> + <p> + The Oulu University Secure Programming Group (OUSPG) discovered that + various ISAKMP implementations, including Openswan and racoon (included + in the IPsec-Tools package), behave in an anomalous way when they + receive and handle ISAKMP Phase 1 packets with invalid or abnormal + contents. + </p> + </description> + <impact type="low"> + <p> + A remote attacker could craft specific packets that would result in a + Denial of Service attack, if Openswan and racoon are used in specific, + weak configurations. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All Openswan users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-misc/openswan-2.4.4"</code> + <p> + All IPsec-Tools users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose net-firewall/ipsec-tools</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3671">CVE-2005-3671</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3732">CVE-2005-3732</uri> + <uri link="http://www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp/">Original Advisory</uri> + </references> + <metadata tag="requester" timestamp="Fri, 02 Dec 2005 12:39:46 +0000"> + jaervosz + </metadata> + <metadata tag="bugReady" timestamp="Mon, 05 Dec 2005 03:24:10 +0000"> + adir + </metadata> + <metadata tag="submitter" timestamp="Mon, 05 Dec 2005 03:54:41 +0000"> + adir + </metadata> +</glsa> |