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Red Hat Security Alert - Remote vulnerabilities in BIND 4 and 8
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                   Red Hat, Inc. Red Hat Security Alert 


Synopsis: Remote vulnerabilities in BIND 4 and 8 
Issue date: 2002-11-12 
CVE Names: CAN-2002-1219 CAN-2002-1220 CAN-2002-1221 
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1. Problem description: 


BIND (Berkeley Internet Name Domain) is an implementation of the DNS 
(Domain Name System) protocols. Three remotely exploitable 
vulnerabilities were disclosed by ISC on 12 November 2002 that affect 
various versions of BIND 4 and 8. 


Versions of Red Hat Linux since 7.1, and Red Hat Linux Advanced Server 
shipped with BIND 9 are are therefore not vulnerable to these issues. 


Older releases (6.2, 7.0) of Red Hat Linux shipped with versions of BIND 
which are vulnerable to these issues, however a Red Hat security errata in 
July 2002 upgraded all our supported distributions to BIND 9.2.1 which is 
not vulnerable to these issues. 


2. Solution: 


All users who have BIND installed should ensure that they are already 
running version 9 of BIND and preferably upgrade to the lastest errata 
packages listed below. To check if BIND is installed and find the version 
number use the command "rpm -qi bind". 


For Red Hat Linux see: 
        http://rhn.redhat.com/errata/RHSA-2002-133.html 


For Red Hat Linux Advanced Server see: 
        http://rhn.redhat.com/errata/RHSA-2002-119.html 


3. References: 


http://www.isc.org/products/BIND/bind-security.html 
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1219 
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1220 
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1221 


4. Contact: 


The Red Hat security contact is <security@redhat.com>. More contact 
details at http://www.redhat.com/solutions/security/news/contact.html 




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