To: bugtraqat_private announceat_private scoannmodat_private ___________________________________________________________________________ Caldera International, Inc. Security Advisory Subject: OpenServer: multiple vulnerabilities in squid Advisory number: CSSA-2002-SCO.7 Issue date: 2002 March 4 Cross reference: ___________________________________________________________________________ 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 <joukoat_private>. Caldera would like to thank Henrik Nordstrom <hno@squid-cache.org> and the Squid team for responding with alacrity. ___________________________________________________________________________
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