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Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200807-08.xml')
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diff --git a/xml/htdocs/security/en/glsa/glsa-200807-08.xml b/xml/htdocs/security/en/glsa/glsa-200807-08.xml new file mode 100644 index 00000000..45e805f4 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200807-08.xml @@ -0,0 +1,75 @@ +<?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="200807-08"> + <title>BIND: Cache poisoning</title> + <synopsis> + A weakness in the DNS protocol has been reported, which could lead to cache + poisoning on recursive resolvers. + </synopsis> + <product type="ebuild">bind</product> + <announced>July 11, 2008</announced> + <revised>July 11, 2008: 01</revised> + <bug>231201</bug> + <access>remote</access> + <affected> + <package name="net-dns/bind" auto="yes" arch="*"> + <unaffected range="ge">9.4.2_p1</unaffected> + <vulnerable range="lt">9.4.2_p1</vulnerable> + </package> + </affected> + <background> + <p> + ISC BIND is the Internet Systems Consortium implementation of the + Domain Name System (DNS) protocol. + </p> + </background> + <description> + <p> + Dan Kaminsky of IOActive has reported a weakness in the DNS protocol + related to insufficient randomness of DNS transaction IDs and query + source ports. + </p> + </description> + <impact type="high"> + <p> + An attacker could exploit this weakness to poison the cache of a + recursive resolver and thus spoof DNS traffic, which could e.g. lead to + the redirection of web or mail traffic to malicious sites. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All BIND users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-dns/bind-9.4.2_p1"</code> + <p> + Note: In order to utilize the query port randomization to mitigate the + weakness, you need to make sure that your network setup allows the DNS + server to use random source ports for query and that you have not set a + fixed query port via the "query-source port" directive in the BIND + configuration. + </p> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447">CVE-2008-1447</uri> + </references> + <metadata tag="requester" timestamp="Wed, 09 Jul 2008 08:55:27 +0000"> + vorlon + </metadata> + <metadata tag="submitter" timestamp="Wed, 09 Jul 2008 14:42:45 +0000"> + vorlon + </metadata> + <metadata tag="bugReady" timestamp="Fri, 11 Jul 2008 17:35:39 +0000"> + rbu + </metadata> +</glsa> |