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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : balsa
SUMMARY   : Buffer overflow in the IMAP code
DATE      : 2003-04-30 18:44:00
ID        : CLA-2003:635
RELEVANT
RELEASES  : 9

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DESCRIPTION
 Balsa is a GNOME email client. It includes code from mutt, wich is a
 text-mode email client.
 
 An update[1] for mutt with a fix for a buffer overflow
 vulnerability[2] (CAN-2003-0140) in the code that handles IMAP
 folders was released in March 14th, 2003.
 
 The mutt version distributed with Conectiva Linux 9
 (mutt-1.5.4-28732cl) is not vulnerable to this issue, but balsa
 versions <= 1.2 incorporate the same code from the old mutt, thus
 being also vulnerable (Conectiva Linux 9 includes the package
 balsa-2.0.9-29085cl).
 
 An attacker who is able to control an IMAP server accessed by balsa
 can exploit this vulnerability to remotely crash the client or
 execute arbitrary code with the privileges of the user running it.
 This update fixes this vulnerability.


SOLUTION
 All balsa users should upgrade.
 
 Please note that it is necessary to restart the balsa program (if it
 is already running) after the upgrade in order to run the new
 installed version.
 
 REFERENCES:
 1.http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000626&idioma=en
 2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0140
 3.http://distro2.conectiva.com.br/bugzilla/show_bug.cgi?id=8282


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/9/RPMS/balsa-2.0.9-29086U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/balsa-help-2.0.9-29086U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/balsa-2.0.9-29086U90_1cl.src.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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