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    Home Cybersecurity
    • Cybersecurity

    New Worms Catch Big Business With Pants Down

    By
    Larry Seltzer
    -
    August 16, 2005
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      Thanks, Wolf.

      Theres nothing to raise awareness of a computer threat quite like a news flash on CNN. Heres the follow-up story: CNN Network Admins Betray Incompetence At Security.

      Deadlines! If only my column were due on Wednesday rather than Tuesday I might have written a different one than the yesterdays, where I dismiss Microsofts MS05-039 vulnerability as not having the stuff of a real worm outbreak. I still think theres more smoke than fire here, but clearly some companies were massively hit.

      Everything I said in my column about mitigating factors on this vulnerability holds: the stupidest firewall in the world would block this worm from spreading and only Windows 2000 systems are vulnerable (although its possible that new worms could be developed that would have limited success against Windows XP SP1 systems).

      So it makes sense that its Fortune 500 corporations that are being attacked, since they are the heartland for Windows 2000 usage. Of course, all these companies have firewalls at their perimeters, so the attack had to come from the inside. Its a cliche in the security business by now, but someone took their unpatched, unfirewalled Windows 2000 system out into the real world and got it infected with this worm. Then they took it back to the office, plugged it in and logged on, and soon everyone else on the network segment was hit hard.

      I dont *know* it happened this way, and neither do the security companies, but it seems like a reasonable assumption. It leads to the inevitable conclusion that there are a lot of large companies out there not protecting their networks against threats we have known about for a very long time. Theres no doubt that every single company that has been hit in this way was also hit by Sasser and Blaster and Slammer, and what did they learn from it? Not a whole lot. In the end they probably got around to applying all the patches and told themselves that they had addressed the problem.

      So its CNN Special Report stuff, but how serious is this outbreak? McAfee is rating the worms a “High” threat, meaning its really serious. Trend and Symantec wont go that far. Joe Hartmann at Trend told me (about 10PM eastern) that it wasnt a major outbreak, but it could get worse. I agree with Joe, but of course, theres a pretty serious limit on how far these worms can spread, being limited to Windows 2000 and thwartable by any competent administrator with a non-trivial budget.

      Now before I go, I will echo what all of the antivirus companies and Microsoft are saying, which is that you should apply the MS05-039 patch with all due haste. If you dont have a patch management strategy in place for quick deployment in emergent cases such as this, get one, and then go around patching them as quickly as you can. Or, if youre one of the intelligent admins that has put protections in place, such as requiring client security and/or network access control, you can take your time applying the patch.

      Security Center Editor Larry Seltzer has worked in and written about the computer industry since 1983.

      Check out eWEEK.coms for the latest security news, reviews and analysis. And for insights on security coverage around the Web, take a look at eWEEK.com Security Center Editor Larry Seltzers Weblog.

      More from Larry Seltzer

      Larry Seltzer
      Larry Seltzer has been writing software for and English about computers ever since—,much to his own amazement—,he graduated from the University of Pennsylvania in 1983.He was one of the authors of NPL and NPL-R, fourth-generation languages for microcomputers by the now-defunct DeskTop Software Corporation. (Larry is sad to find absolutely no hits on any of these +products on Google.) His work at Desktop Software included programming the UCSD p-System, a virtual machine-based operating system with portable binaries that pre-dated Java by more than 10 years.For several years, he wrote corporate software for Mathematica Policy Research (they're still in business!) and Chase Econometrics (not so lucky) before being forcibly thrown into the consulting market. He bummed around the Philadelphia consulting and contract-programming scenes for a year or two before taking a job at NSTL (National Software Testing Labs) developing product tests and managing contract testing for the computer industry, governments and publication.In 1991 Larry moved to Massachusetts to become Technical Director of PC Week Labs (now eWeek Labs). He moved within Ziff Davis to New York in 1994 to run testing at Windows Sources. In 1995, he became Technical Director for Internet product testing at PC Magazine and stayed there till 1998.Since then, he has been writing for numerous other publications, including Fortune Small Business, Windows 2000 Magazine (now Windows and .NET Magazine), ZDNet and Sam Whitmore's Media Survey.
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