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author | Alex Legler <alex@a3li.li> | 2015-03-08 22:02:38 +0100 |
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committer | Alex Legler <alex@a3li.li> | 2015-03-08 22:02:38 +0100 |
commit | a24567fbc43f221b14e805f9bc0b7c6d16911c46 (patch) | |
tree | 910a04fe6ee560ac0eebac55f3cd2781c3519760 /glsa-200908-02.xml | |
download | glsa-a24567fbc43f221b14e805f9bc0b7c6d16911c46.tar.gz glsa-a24567fbc43f221b14e805f9bc0b7c6d16911c46.tar.bz2 glsa-a24567fbc43f221b14e805f9bc0b7c6d16911c46.zip |
Import existing advisories
Diffstat (limited to 'glsa-200908-02.xml')
-rw-r--r-- | glsa-200908-02.xml | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/glsa-200908-02.xml b/glsa-200908-02.xml new file mode 100644 index 00000000..2cb6ab71 --- /dev/null +++ b/glsa-200908-02.xml @@ -0,0 +1,70 @@ +<?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="200908-02"> + <title>BIND: Denial of Service</title> + <synopsis> + Dynamic Update packets can cause a Denial of Service in the BIND daemon. + </synopsis> + <product type="ebuild">bind</product> + <announced>August 01, 2009</announced> + <revised>August 01, 2009: 01</revised> + <bug>279508</bug> + <access>remote</access> + <affected> + <package name="net-dns/bind" auto="yes" arch="*"> + <unaffected range="ge">9.4.3_p3</unaffected> + <vulnerable range="lt">9.4.3_p3</vulnerable> + </package> + </affected> + <background> + <p> + ISC BIND is the Internet Systems Consortium implementation of the + Domain Name System (DNS) protocol. + </p> + </background> + <description> + <p> + Matthias Urlichs reported that the dns_db_findrdataset() function fails + when the prerequisite section of the dynamic update message contains a + record of type "ANY" and where at least one RRset for this FQDN exists + on the server. + </p> + </description> + <impact type="normal"> + <p> + A remote unauthenticated attacker could send a specially crafted + dynamic update message to the BIND daemon (named), leading to a Denial + of Service (daemon crash). This vulnerability affects all primary + (master) servers -- it is not limited to those that are configured to + allow dynamic updates. + </p> + </impact> + <workaround> + <p> + Configure a firewall that performs Deep Packet Inspection to prevent + nsupdate messages from reaching named. Alternatively, expose only + secondary (slave) servers to untrusted networks. + </p> + </workaround> + <resolution> + <p> + All BIND users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-dns/bind-9.4.3_p3"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0696">CVE-2009-0696</uri> + <uri link="https://www.isc.org/node/474">ISC advisory</uri> + </references> + <metadata tag="submitter" timestamp="Tue, 28 Jul 2009 21:43:47 +0000"> + rbu + </metadata> + <metadata tag="bugReady" timestamp="Sat, 01 Aug 2009 20:00:21 +0000"> + a3li + </metadata> +</glsa> |