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TUCoPS :: Linux :: Conectiva :: hack3566.htm

samba vulnerability



[CLA-2004:851] Conectiva Security Announcement - samba

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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : samba
SUMMARY   : Multiple potential buffer overruns
DATE      : 2004-07-22 13:01:00
ID        : CLA-2004:851
RELEVANT
RELEASES  : 10

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DESCRIPTION
 Samba[1] provides SMB/CIFS services (such as file and printer
 sharing) used by clients compatible with Microsoft Windows(TM).
 
 Evgeny Demidov noticed that the internal routine used by the Samba
 Web Administration Tool (SWAT) to decode the base64 data during HTTP
 basic authentication is subject[2] to a buffer overrun caused by an
 invalid base64 character.  This same code is used internally to
 decode the sambaMungedDial attribute value when using the ldapsam
 passdb backend and to decode input given to the ntlm_auth tool.
 
 Another buffer overrun problem[3] has been located in the code used
 to support the 'mangling method = hash' smb.conf option. Please be
 aware that the default setting for this parameter is 'mangling method
 = hash2' and therefore not vulnerable.
 
 Conectiva Linux versions 8 and 9 are also vulnerable to the second
 problem and a specific announcement for it is pending.


SOLUTION
 It is recommended that all samba users upgrade their packages. This
 update will automatically restart the service if it is already
 running.
 
 
 REFERENCES:
 1.http://www.samba.org/ 
 2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0600 
 3.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0686 


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/10/RPMS/libsmbclient-devel-3.0.4- 62749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libsmbclient-devel-static -3.0.4-62749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libsmbclient0-3.0.4-6274 9U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-clients-3.0.4-627 49U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-common-3.0.4-6 2749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-doc-3.0.4-62749 U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-server-3.0.4-627 49U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-swat-3.0.4-62749 U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-testprogs-3.0.4-6 2749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vfs-3.0.4-62749U 10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-clamav-3. 0.4-62749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-fprot-3.0.4 -62749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-fsecure-3. 0.4-62749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-kaspersk y-3.0.4-62749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-mks-3.0.4- 62749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-oav-3.0.4- 62749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-sophos-3. 0.4-62749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-trend-3.0. 4-62749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-winbind-3.0.4-62 749U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/SRPMS/samba-3.0.4-62749U10 _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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subscribe: conectiva-updates-subscribe@papaleguas.conectiva.com.br 
unsubscribe: conectiva-updates-unsubscribe@papaleguas.conectiva.com.br 
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