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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : sendmail
SUMMARY   : Remote vulnerability
DATE      : 2003-08-29 17:25:00
ID        : CLA-2003:727
RELEVANT
RELEASES  : 9

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DESCRIPTION
 Sendmail[1] is a widely used Mail Transfer Agent (MTA).
 
 Sendmail versions 8.12.8 and before (but only of the 8.12.x branch)
 have a remote vulnerability[2] related to DNS maps. If such maps are
 being used, invalid DNS responses will make sendmail attempt to free
 incorrect memory areas, usually resulting in a crash. It has not been
 determined whether this vulnerability can be used to execute remote
 commands or not.
 
 The packages supplied via this update contain a patch[3] to fix this
 vulnerability.


SOLUTION
 It is recommended that all sendmail users upgrade their packages.
 After the upgrade, the sendmail service will automatically be
 restarted if it was already running before.
 
 
 REFERENCES
 1. http://www.sendmail.org/
 2. http://cve.mitre.org/cgi-bin/cvename.cgi?name=2003-0688
 3. http://www.sendmail.org/dnsmap1.html


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/9/SRPMS/sendmail-8.12.5-26986U90_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/sendmail-8.12.5-26986U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/sendmail-cf-8.12.5-26986U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/sendmail-doc-8.12.5-26986U90_2cl.i386.rpm


ADDITIONAL INSTRUCTIONS
 The apt tool can be used to perform RPM packages upgrades:

 - 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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Copyright (c) 2003 Conectiva Inc.
http://www.conectiva.com

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