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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : samba
SUMMARY : Fix for Samba's denial of service vulnerability
DATE : 2004-11-25 13:03:00
ID : CLA-2004:899
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).

Karol Wiesek found a vulnerability[2] in the input validation
routines in Samba 3.x used to match filename strings containing
wildcard characters that may allow a remote attacker to consume
abnormal amounts of CPU cycles.

Also, Steffan Esser found a buffer overflow in the QFILEPATHINFO
request handler in Samba 3.0.x through 3.0.7 that may allow remote
attackers to execute arbitrary code via a TRANSACT2_QFILEPATHINFO
request with a small "maximum data bytes" value.

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-2004-0930
3.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0882

UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/10/SRPMS/samba-3.0.7-62749U10_6cl.sr
c.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libsmbclient-devel-3.0.7-627
49U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libsmbclient-devel-static-3.
0.7-62749U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libsmbclient0-3.0.7-62749U10
_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-clients-3.0.7-62749U10
_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-common-3.0.7-62749U10_
6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-doc-3.0.7-62749U10_6cl
.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-server-3.0.7-62749U10_
6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-swat-3.0.7-62749U10_6c
l.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-testprogs-3.0.7-62749U
10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vfs-3.0.7-62749U10_6cl
.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-clamav-3.0.7-627
49U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-fprot-3.0.7-6274
9U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-fsecure-3.0.7-62
749U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-kaspersky-3.0.7-
62749U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-mks-3.0.7-62749U
10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-oav-3.0.7-62749U
10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-sophos-3.0.7-627
49U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-vscan-trend-3.0.7-6274
9U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/samba-winbind-3.0.7-62749U10
_6cl.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 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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