Date: Mon, 10 Jun 2002 16:50:01 -0700
From: [email protected]
To: [email protected], [email protected],
Subject: Security Update: [CSSA-2002-SCO.25] OpenServer 5.0.5 OpenServer 5.0.6 : snmpd denial-of-service vulnerabilities.
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To: [email protected][email protected][email protected]
______________________________________________________________________________
Caldera International, Inc. Security Advisory
Subject: OpenServer 5.0.5 OpenServer 5.0.6 : snmpd denial-of-service vulnerabilities.
Advisory number: CSSA-2002-SCO.25
Issue date: 2002 June 10
Cross reference:
______________________________________________________________________________
1. Problem Description
The University of Oulu (Finland) wrote approximately 53000
tests for snmpd error conditions. For OpenServer, many of
the tests caused the snmp daemon to grow in size. This could
lead to denial-of-service attacks.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
OpenServer 5.0.5 /usr/lib/libsnmp.so.1.Z
OpenServer 5.0.6 /usr/lib/libsnmp.so.1.Z
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.25
4.2 Verification
MD5 (VOL.000.000) = 5cd988029bb6da765d2e4040759dbd33
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* file 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.25
5.2 Verification
MD5 (VOL.000.000) = 5cd988029bb6da765d2e4040759dbd33
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* file 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.cert.org/advisories/CA-2002-03.html
Caldera security resources:
http://www.caldera.com/support/security/index.html
This security fix closes Caldera incidents sr858202,SCO-559-1345
and erg711930.
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
This vulnerability was discovered and researched by the
University of Oulu (oulu.fi).
______________________________________________________________________________
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