[27392] in bugtraq
Security Update: [CSSA-2002-SCO.40] OpenServer 5.0.5 OpenServer 5.0.6 : ypxfrd remote file access vulnerability
daemon@ATHENA.MIT.EDU (security@caldera.com)
Fri Oct 11 10:24:54 2002
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scoannmod@xenitec.on.ca, full-disclosure@lists.netsys.com
From: security@caldera.com
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Date: Thu, 10 Oct 2002 15:53:04 -0700
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To: bugtraq@securityfocus.com announce@lists.caldera.com scoannmod@xenitec.on.ca full-disclosure@lists.netsys.com
______________________________________________________________________________
SCO Security Advisory
Subject: OpenServer 5.0.5 OpenServer 5.0.6 : ypxfrd remote file access vulnerability
Advisory number: CSSA-2002-SCO.40
Issue date: 2002 October 10
Cross reference:
______________________________________________________________________________
1. Problem Description
There is a vulnerability in ypxfrd that allows a local user
(possibly remote) to read any file on a system running the
daemon.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
OpenServer 5.0.5 /etc/ypxfrd
OpenServer 5.0.6 /etc/ypxfrd
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.40
4.2 Verification
MD5 (VOL.000.000) = 62683d366d60f0a4e61bc51c32355c6a
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 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.40
5.2 Verification
MD5 (VOL.000.000) = 62683d366d60f0a4e61bc51c32355c6a
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 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:
http://www.kb.cert.org/vuls/id/538033
http://isec.pl/vulnerabilities/0006.txt
SCO security resources:
http://www.sco.com/support/security/index.html
This security fix closes SCO incidents sr868669, fz525993,
erg712121.
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
Janusz Niewiadomski <funkysh@isec.pl> of iSEC Security
Research discovered and researched this vulnerability.
______________________________________________________________________________
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