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TUCoPS :: Linux :: Conectiva :: hack3587.htm

lftp vulnerability



[CLA-2004:800] Conectiva Security Announcement - lftp

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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : lftp
SUMMARY   : Buffer overflow vulnerability
DATE      : 2004-01-06 09:46:00
ID        : CLA-2004:800
RELEVANT
RELEASES  : 8, 9

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DESCRIPTION
 lftp[1] is a command-line file transfer program which supports many
 protocols.
 
 Ulf Härnhammar reported[2] two buffer overflow vulnerabilities[3] in
 the lftp program. An attacker could prepare a directory on a server
 which, if accessed with a vulnerable lftp with the "ls" or "rels"
 command, could cause arbitrary code to be executed on the client.


SOLUTION
 It is recommended that all lftp users upgrade their packages.
 
 
 REFERENCES
 1. http://lftp.yar.ru/ 
 2. http://marc.theaimsgroup.com/?l=bugtraq&m=107152267121513&w=2 
 3. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0963 


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/8/SRPMS/lftp-2.6.9-1U80_2cl.src.rp m
ftp://atualizacoes.conectiva.com.br/8/RPMS/lftp-2.6.9-1U80_2cl.i386.rp m
ftp://atualizacoes.conectiva.com.br/9/SRPMS/lftp-2.6.9-23261U90_2cl. src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/lftp-2.6.9-23261U90_2cl.i3 86.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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