[CLA-2004:835] Conectiva Security Announcement - ethereal

[Conectiva Updates <secure@xxxxxxxxxxxxxxxx>]

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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : ethereal
SUMMARY   : Several remote vulnerabilities
DATE      : 2004-03-31 17:50:00
ID        : CLA-2004:835
RELEVANT
RELEASES  : 8, 9

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DESCRIPTION
 Ethereal[1] is a powerful network traffic analyzer with a graphical
 user interface (GUI).
 
 This update fixes several vulnerabilities[2] in Ethereal:
 
 CAN-2004-0176: Stefan Esser discovered thirteen buffer overflows in
 the dissector of the NetFlow, IGAP, EIGRP, PGM, IrDA, BGP, ISUP, and
 TCAP protocol dissectors[3].
 
 CAN-2004-0365: Jonathan Heussser discovered a denial of service
 vulnerability in the RADIUS protocol dissector[4].
 
 CAN-2004-0367: A zero-length presentation protocol selector can be
 exploited to cause a denial of service[5].
 
 These vulnerabilities can be exploited by a attacker who is able to
 insert crafted packets in the wire being monitored by ethereal or
 make an user open a trace file with such packets inside. When reading
 this data, Ethereal will crash (characterizing a denial of service
 condition) or, in the case of the buffer overflow vulnerabilities,
 may execute arbitrary code with the privileges of the user running it
 (usually root).


SOLUTION
 It is recommended that all Ethereal users upgrade their packages.
 
 
 REFERENCES
 1.http://www.ethereal.com/
 2.http://www.ethereal.com/appnotes/enpa-sa-00013.html
 3.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0176
 4.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0365
 5.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0367


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/8/RPMS/ethereal-0.10.3-27097U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/ethereal-common-0.10.3-27097U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/ethereal-gtk-0.10.3-27097U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/ethereal-utils-0.10.3-27097U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/tethereal-0.10.3-27097U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/ethereal-0.10.3-27097U90_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/ethereal-0.10.3-27097U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/ethereal-gtk-0.10.3-27097U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/tethereal-0.10.3-27097U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/ethereal-common-0.10.3-27097U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/ethereal-utils-0.10.3-27097U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/ethereal-0.10.3-27097U90_2cl.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 regarding 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) 2004 Conectiva Inc.
http://www.conectiva.com

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