[CLA-2003:615] Conectiva Security Announcement - samba
Date: Fri, 4 Apr 2003 16:11:06 -0300
From: Conectiva Updates <secure@conectiva.com.br>
To: conectiva-updates@papaleguas.conectiva.com.br, lwn@lwn.net,
Subject: [CLA-2003:615] Conectiva Security Announcement - samba
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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : samba
SUMMARY : Remote vulnerability and local race condition
DATE : 2003-04-04 16:00:00
ID : CLA-2003:615
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 SuSE Security Team performed a security audit in parts of the
Samba project code and found various problems in both the client and
server implementations. Among these problems is a buffer overflow[1]
vulnerability in the packet fragment re-assembly code. A remote
attacker who is able to connect to the samba server may gain root
privileges on it by exploiting this vulnerability.
The vulnerability also affects the client library code, thus it is
possible to exploit applications which use samba library functions by
using a malicious samba server to send traffic to them.
Additionally, a race condition[2] was discovered which could allow a
local attacker to overwrite critical system files.
In Conectiva Linux versions 7.0 and 8 samba is being upgraded to the
latest stable version: 2.2.8. This version fixes the above
vulnerabilities and includes several other fixes and additional
features[3]. In Conectiva Linux 6.0, a patch with fixes the above
vulnerabilities was applied to the package originally distributed,
keeping samba in its original version (2.0.9).
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://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0085
2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0086
3.http://www.samba.org/samba/whatsnew/samba-2.2.8.html
UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/samba-2.0.9-2U60_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/samba-clients-2.0.9-2U60_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/samba-doc-2.0.9-2U60_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/samba-swat-2.0.9-2U60_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/samba-2.0.9-2U60_3cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/samba-2.2.8-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/samba-clients-2.2.8-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/samba-codepagesource-2.2.8-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/samba-common-2.2.8-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/samba-doc-2.2.8-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/samba-swat-2.2.8-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/samba-2.2.8-1U70_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/samba-2.2.8-1U80_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/samba-clients-2.2.8-1U80_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/samba-codepagesource-2.2.8-1U80_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/samba-common-2.2.8-1U80_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/samba-doc-2.2.8-1U80_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/samba-swat-2.2.8-1U80_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/samba-2.2.8-1U80_1cl.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 2003 (c) Conectiva Inc.
http://www.conectiva.com
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