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Diffstat (limited to 'glsa-200804-22.xml')
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diff --git a/glsa-200804-22.xml b/glsa-200804-22.xml new file mode 100644 index 000000000000..36457fd26bec --- /dev/null +++ b/glsa-200804-22.xml @@ -0,0 +1,72 @@ +<?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="200804-22"> + <title>PowerDNS Recursor: DNS Cache Poisoning</title> + <synopsis> + Use of insufficient randomness in PowerDNS Recursor might lead to DNS cache + poisoning. + </synopsis> + <product type="ebuild">pdns-recursor</product> + <announced>April 18, 2008</announced> + <revised>August 21, 2008: 03</revised> + <bug>215567</bug> + <bug>231335</bug> + <access>remote</access> + <affected> + <package name="net-dns/pdns-recursor" auto="yes" arch="*"> + <unaffected range="ge">3.1.6</unaffected> + <vulnerable range="lt">3.1.6</vulnerable> + </package> + </affected> + <background> + <p> + The PowerDNS Recursor is an advanced recursing nameserver. + </p> + </background> + <description> + <p> + Amit Klein of Trusteer reported that insufficient randomness is used to + calculate the TRXID values and the UDP source port numbers + (CVE-2008-1637). Thomas Biege of SUSE pointed out that a prior fix to + resolve this issue was incomplete, as it did not always enable the + stronger random number generator for source port selection + (CVE-2008-3217). + </p> + </description> + <impact type="normal"> + <p> + A remote attacker could send malicious answers to insert arbitrary DNS + data into the cache. These attacks would in turn help an attacker to + perform man-in-the-middle and site impersonation attacks. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All PowerDNS Recursor users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-dns/pdns-recursor-3.1.6"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1637">CVE-2008-1637</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3217">CVE-2008-3217</uri> + </references> + <metadata tag="requester" timestamp="Thu, 17 Apr 2008 20:12:08 +0000"> + keytoaster + </metadata> + <metadata tag="submitter" timestamp="Fri, 18 Apr 2008 01:27:35 +0000"> + rbu + </metadata> + <metadata tag="bugReady" timestamp="Fri, 18 Apr 2008 01:27:43 +0000"> + rbu + </metadata> +</glsa> |