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Computer Security Update

This presentation by Bob Cowles at the HEPiX conference discusses computer security updates in areas such as Solaris, Cisco, Linux, IIS, Internet Explorer, Windows, and more.

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Computer Security Update

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  1. Computer Security Update Bob Cowles, SLAC bob.cowles@stanford.edu Presented to HEPiX at Fermilab 23 Oct 2002 Work supported by U. S. Department of Energy contract DE-AC03-76SF00515

  2. Areas • Solaris • Cisco • Linux • IIS • Internet Explorer • Windows • Misc • Virus & Worm • Conclusions • News HEPiX – Bob Cowles – SLAC

  3. Solaris • /bin/login • ssh & OpenSSH • in.talkd • cachefsd • xdr_array bo (affects OpenAFS too) • ttdbserver • TTYPROMPT HEPiX – Bob Cowles – SLAC

  4. Cisco • ssh • Aironet wireless APs (telnet) • ntp daemon • httpd • default passwords HEPiX – Bob Cowles – SLAC

  5. Linux • ssh • wu-ftp • glibc • OpenSSH • glibc (reboot required) • Bugzilla • OpenSSL HEPiX – Bob Cowles – SLAC

  6. Apache • Transfer chunking • mod_ssl off-by-one • shared memory scoreboard - scripting HEPiX – Bob Cowles – SLAC

  7. IIS • Cookie handling error (cross domains) • .htr heap overflow • Office Web components • SmartHTML interpreter • .htr transfer chunking HEPiX – Bob Cowles – SLAC

  8. Internet Explorer • file name spoofing • VBScript read local files • jpeg scripting • Gopher protocol error • SSL cert checking error (Outlook, too) • Cached objects HEPiX – Bob Cowles – SLAC

  9. Windows • MS SQL Server & Media Player • UPNP • XMLHTTP • JVM • Debugger • MS Office document grabbing • Network Connection Manager • Windows XP SP1 HEPiX – Bob Cowles – SLAC

  10. Misc • OpenVMS DECwindows Motif Server • Add’l files indexed by Google • AOL AIM & Yahoo Messenger • snmp • PGP buffer overflow • libbind resolver buffer overflow • MIME send by reference (RFC 2046) • TCP/IP ambiguity HEPiX – Bob Cowles – SLAC

  11. Virus & Worm • Magistr • badtrans • Goner • Myparty: www.myparty.yahoo.com • Frethem (your password) • Klez • Bugbear HEPiX – Bob Cowles – SLAC

  12. Conclusions (almost the same) • Poor administration is still a major problem • Firewalls cannot substitute for patches • Multiple levels of virus/worm protection are necessary • Clue is more important than source HEPiX – Bob Cowles – SLAC

  13. News • OpenSSH trojaned http://www.cert.org/advisories/CA-2002-24.html • 20 things to make your system safe and secure (really!) http://www.sans.org/top20/ • New versions of PGP .. incl. version 8.0 beta for Windows http://www.pgp.com/beta80.php • SMTP trojaned http://www.cert.org/advisories/CA-2002-28.html • Flash and Warhol worms http://www.icir.org/vern/papers/cdc-usenix-sec02/index.html • Attack on root DNS servers http://www.washingtonpost.com/wp-dyn/articles/A828-2002Oct22.html HEPiX – Bob Cowles – SLAC

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