Date: Mon, 15 Jul 2002 17:06:03 -0700
From: security@caldera.com
To: bugtraq@securityfocus.com, announce@lists.caldera.com,
Subject: Security Update: [CSSA-2002-SCO.34] OpenServer 5.0.5 OpenServer 5.0.6 : uux status file name buffer overflow
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To: bugtraq@securityfocus.com announce@lists.caldera.com scoannmod@xenitec.on.ca
______________________________________________________________________________
Caldera International, Inc. Security Advisory
Subject: OpenServer 5.0.5 OpenServer 5.0.6 : uux status file name buffer overflow
Advisory number: CSSA-2002-SCO.34
Issue date: 2002 July 15
Cross reference:
______________________________________________________________________________
1. Problem Description
A very long status file name given to the uux program would
cause it to memory fault. This could be used by a malicious
local user to gain privilege.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
OpenServer 5.0.5 /usr/bin/uux
OpenServer 5.0.6 /usr/bin/uux
3. Solution
The proper solution is to install the latest packages.
4. OpenServer 5.0.5
4.1 Location of Fixed Binaries
ftp://ftp.caldera.com/pub/updates/OpenServer/CSSA-2002-SCO.34
4.2 Verification
MD5 (VOL.000.000) = 77bd1623ed1d220f976736124b743fc7
md5 is available for download from
ftp://ftp.caldera.com/pub/security/tools
4.3 Installing Fixed Binaries
Upgrade the affected binaries with the following commands:
1) Download the VOL* files to the /tmp directory
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.caldera.com/pub/updates/OpenServer/CSSA-2002-SCO.34
5.2 Verification
MD5 (VOL.000.000) = 77bd1623ed1d220f976736124b743fc7
md5 is available for download from
ftp://ftp.caldera.com/pub/security/tools
5.3 Installing Fixed Binaries
Upgrade the affected binaries with the following commands:
1) Download the VOL* files to the /tmp directory
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:
none
Caldera security resources:
http://www.caldera.com/support/security/index.html
This security fix closes Caldera incidents sr865287, fz521102,
erg712066.
7. Disclaimer
Caldera International, Inc. 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 Caldera products.
8. Acknowledgements
KF <dotslash@snosoft.com> discovered and researched this
vulnerability.
______________________________________________________________________________
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