To: bugtraq@securityfocus.com announce@lists.caldera.com scoannmod@xenitec.on.ca
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Caldera International, Inc. Security Advisory
Subject: OpenServer: multiple vulnerabilities in squid
Advisory number: CSSA-2002-SCO.7
Issue date: 2002 March 4
Cross reference:
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1. Problem Description
Multiple vulnerabilities were discovered in squid, including
(but not limited to) the following issues:
- htcp_port 0 now properly disables htcp
- Fixed problem with certain non-anonymous ftp style URL's
- SNMP bugfixes including several memory leaks
- Fixed bug #255: core dump on SSL/CONNECT if access denied by
miss_access
- Fixed a coredump when creating FTP directories
- Fixed a potential coredump situation on snmpwalk in certain
configurations
The full list is in the ChangeLog for Squid 2.4.STABLE4. The
last released verison of squid for OpenServer was 2.4.STABLE1.
2. Vulnerable Supported Versions
Operating System Version Affected Files
------------------------------------------------------------------
OpenServer <=5.0.6a squid-2.4.STABLE4-VOLS.tar
3. Workaround
None.
4. UnixWare 7, Open UNIX 8
4.1 Location of Fixed Binaries
ftp://stage.caldera.com/pub/security/openserver/CSSA-2002-SCO.7/
ftp2.caldera.com/pub/skunkware/osr5/vols/squid-2.4.STABLE4-VOLS.tar
4.2 Verification
MD5 (squid-2.4.STABLE4-VOLS.tar) = d8a841049ce47d0dc02af7dd8ff19300
md5 is available for download from
ftp://stage.caldera.com/pub/security/tools/
4.3 Installing Fixed Binaries
Upgrade the affected binaries with the following commands:
Download ftp2.caldera.com/pub/skunkware/osr5/vols/squid-2.4.STABLE4-VOLS.tar
to the /tmp directory
# cd /tmp
# tar xvf squid-2.4.STABLE4-VOLS.tar
Run the custom command, specify an install from media images,
and specify the /tmp directory as the location of the images.
5. References
This and other advisories are located at
http://stage.caldera.com/support/security
This advisory addresses Caldera Security internal incidents
sr860951, fz520236, erg711970.
6. Disclaimer
Caldera International, Inc. is not responsible for the misuse
of any of the information we provide on our website and/or
through our security advisories. Our advisories are a service
to our customers intended to promote secure installation and
use of Caldera International products.
7. Acknowledgements
The ftp vulnerability was discovered by Jouko Pynnonen
<jouko@solutions.fi>.
Caldera would like to thank Henrik Nordstrom <hno@squid-cache.org>
and the Squid team for responding with alacrity.
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