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Home » Hacking News » Connectiva CLA-2003:624: samba buffer overflow

Connectiva CLA-2003:624: samba buffer overflow

by Nikola Strahija on April 9th, 2003 A vulnerability has been found in Samba that can lead to buffer overflow and allow remote attackers to gain root privileges.


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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : samba
SUMMARY : Remote vulnerability
DATE : 2003-04-08 19:33:00
ID : CLA-2003:624
RELEVANT
RELEASES : 6.0, 7.0, 8

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DESCRIPTION
Samba provides SMB/CIFS services (such as file and printer sharing)
used by clients compatible with Microsoft Windows(TM).

The Digital Defense team found[1] a stack overflow vulnerability in
the samba SMB protocol implementation. A remote attacker can exploit
this vulnerability to gain root access to a system running a samba
server.

The Common Vulnerabilities and Exposures (CVE) project has assigned
the name CAN-2003-0201 to this issue[2].

Please note this is not a re-edition of the previous samba security
update[3]. This vulnerability was independently discovered some days
later.


SOLUTION
All samba users should upgrade their packages immediately. This
update will automatically restart the samba service if it is already
running.


REFERENCES:
1.http://www.digitaldefense.net/labs/advisories/DDI-1013.txt
2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0201
3.http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000615&idioma=en


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/samba-2.0.9-2U60_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/samba-clients-2.0.9-2U60_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/samba-swat-2.0.9-2U60_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/samba-2.0.9-2U60_4cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/samba-2.2.8-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/samba-clients-2.2.8-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/samba-common-2.2.8-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/samba-swat-2.2.8-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/samba-2.2.8-1U70_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/samba-2.2.8-1U80_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/samba-clients-2.2.8-1U80_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/samba-common-2.2.8-1U80_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/samba-swat-2.2.8-1U80_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/samba-2.2.8-1U80_3cl.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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subscribe: [email protected]
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