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[CLA-2002:494] Conectiva Linux Security Announcement - bind
From: secure () conectiva com br
Date: Thu, 6 Jun 2002 15:01:50 -0300

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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : bind
SUMMARY   : Denial of Service vulnerability
DATE      : 2002-06-06 15:01:00
ID        : CLA-2002:494
RELEVANT
RELEASES  : 7.0, 8

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DESCRIPTION
 "bind" is a name server (DNS) developed by the ISC and used in many
 internet and intranet sites.
 
 ISC (Internet Software Consortium) reported a remote denial of
 service vulnerability[2] in the BIND[1] server. A remote attacker can
 exploit this problem and shut down the name server.
 
 This vulnerability only affects the 9.x versions of the server and
 has no other consequence besides shutting down the service.
 
 An indication that the service has been shut down due to this problem
 are the following messages in the system log (/var/log/messages):
 
 named: message.c:808: REQUIRE(*rdataset == ((void *)0)) failed 
 named: exiting (due to assertion failure) 
 
 Please note that regular DNS traffic could also accidentally trigger
 this problem.
 
 ISC has released BIND version 9.2.1 to address this vulnerability.


SOLUTION
 It is recommended that all bind users upgrade their packages. The
 "named" service will be automatically restarted if it was already
 running before the upgrade.
 
 
 REFERENCES
 1. http://www.isc.org/products/BIND/bind9.html
 2. http://www.kb.cert.org/vuls/id/739123
 3. http://www.cert.org/advisories/CA-2002-15.html
 4. http://www.isc.org/products/BIND/bind-security.html


DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/bind-9.2.1-1U70_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/bind-9.2.1-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/bind-chroot-9.2.1-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/bind-devel-9.2.1-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/bind-devel-static-9.2.1-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/bind-doc-9.2.1-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/bind-utils-9.2.1-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/bind-9.2.1-1U8_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/bind-9.2.1-1U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/bind-chroot-9.2.1-1U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/bind-devel-9.2.1-1U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/bind-devel-static-9.2.1-1U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/bind-doc-9.2.1-1U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/bind-libs-9.2.1-1U8_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/bind-utils-9.2.1-1U8_1cl.i386.rpm


ADDITIONAL INSTRUCTIONS
 Users of Conectiva Linux version 6.0 or higher may use apt to perform 
 upgrades of RPM packages:
 - add the following line to /etc/apt/sources.list if it is not there yet
   (you may also use linuxconf to do this):

 rpm [cncbr] ftp://atualizacoes.conectiva.com.br 6.0/conectiva updates

(replace 6.0 with the correct version number if you are not running CL6.0)

 - run:                 apt-get update
 - after that, execute: apt-get upgrade

 Detailed instructions reagarding the use of apt and upgrade examples 
 can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en


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All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at 
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en
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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

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