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Message-ID: <20030724162327.A11801@caldera.com>
Date: Thu, 24 Jul 2003 16:23:27 -0700
From: security@....com
To: bugtraq@...urityfocus.com, announce@...ts.caldera.com,
scoannmod@...itea.on.ca
Subject: OpenServer 5.0.x : Samba security update available avaliable for download.
To: bugtraq@...urityfocus.com announce@...ts.caldera.com scoannmod@...itea.on.ca
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______________________________________________________________________________
SCO Security Advisory
Subject: OpenServer 5.0.5 OpenServer 5.0.6 : Samba security update available avaliable for download.
Advisory number: CSSA-2003-SCO.13
Issue date: 2003 July 24
Cross reference:
______________________________________________________________________________
1. Problem Description
This vulnerability, if exploited correctly, leads to an
anonymous user gaining root access on a Samba serving
system. All versions of Samba up to and including Samba
2.2.8 are vulnerable. An active exploit of the bug has
been reported in the wild. The Common Vulnerabilities and
Exposures (CVE) project has assigned: CAN-2003-0201:Buffer
overflow in the call_trans2open function in trans2.c for
Samba 2.2.x before 2.2.8a, 2.0.10 and earlier 2.0.x versions,
and Samba-TNG before 0.3.2, allows remote attackers to
execute arbitrary code. and CAN-2003-0085: Buffer overflow
in the SMB/CIFS packet fragment re-assembly code for SMB
daemon (smbd) in Samba before 2.2.8, and Samba-TNG before
0.3.1, allows remote attackers to execute arbitrary code.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
OpenServer 5.0.5 distribution
3. Solution
The proper solution is to install the latest packages.
4. OpenServer 5.0.5
4.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenServer/CSSA-2003-SCO.13
4.2 Verification
MD5 (VOL.000.000) = 175ce3f07683a3a29ce248d1393813ec
md5 is available for download from
ftp://ftp.sco.com/pub/security/tools
4.3 Installing Fixed Binaries
Upgrade the affected binaries with the following sequence:
1) Download the VOL* files to the /tmp directory
2) Run the custom command, specify an install from media
images, and specify the /tmp directory as the location of
the images.
5. OpenServer 5.0.6
5.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenServer/CSSA-2003-SCO.13
5.2 Verification
MD5 (VOL.000.000) = 175ce3f07683a3a29ce248d1393813ec
md5 is available for download from
ftp://ftp.sco.com/pub/security/tools
5.3 Installing Fixed Binaries
Upgrade the affected binaries with the following sequence:
1) Download the VOL* files to the /tmp directory
2) Run the custom command, specify an install from media
images, and specify the /tmp directory as the location of
the images.
6. References
Specific references for this advisory:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0201
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0085
SCO security resources:
http://www.sco.com/support/security/index.html
This security fix closes SCO incidents erg875829, fz527531,
sr876763.
7. Disclaimer
SCO is not responsible for the misuse of any of the information
we provide on this website and/or through our security
advisories. Our advisories are a service to our customers
intended to promote secure installation and use of SCO
products.
8. Acknowledgements
Thanks to Sebastian Krahmer, SuSE Security Team, and Digital
Defense, Inc. who alerted the Samba Team to this vulnerability.
______________________________________________________________________________
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