RE: Windows 2k SP2 breaks security fix should reapply

From: Russ (Russ.Cooperat_private)
Date: Fri Jun 15 2001 - 12:40:02 PDT

  • Next message: Rick Updegrove: "Re: Windows 2k SP2 breaks security fix should reapply"

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    Since a reminder about MS01-026 and W2K SP2 was allowed through, I
    thought a more long-term explanation might help folks better.
    
    1. Security hotfixes for W2K are named according to what Service Pack
    they are *expected* to be included in (there's a more sophisticated
    explanation, but for all intents and purposes...) Ergo, the MS01-026
    fix is named q293826_w2k_sp3_x86_en.exe, indicating that its expected
    to be included in SP3 (and by extension, definitely not included in
    SP2).
    
    2.
    http://www.microsoft.com/technet/security/current.asp?productID=17&ser
    vicePackId=2 gives you a listing of all Security hotfixes that are
    required post-W2K-SP2. Note how MS01-026 *is* listed there.
    
    3. The HFCheck.wsf, from
    http://www.microsoft.com/Downloads/Release.asp?ReleaseID=24168 also
    identifies what might need to be re-applied after a Service Pack
    installation.
    
    Finally, for anyone who wonders why, after installing the latest
    Service Pack, they'd then have to re-apply Security hotfixes that
    were released prior to the Service Pack...the answer's pretty simple
    and hopefully one that everyone appreciates.
    
    Both Service Packs and Security hotfixes go through regression
    testing prior to release. This is a fervent attempt, since NT 4.0 SP2
    to avoid the problems associated with patches and compatibility. The
    testing for Service Packs is more extensive than that for Security
    fixes, largely due to the number of components that need to be tested
    in a Service Pack. As a result, the date that Service Pack
    distributions are frozen (meaning no new code can be added) comes
    some time (usually 4-6 weeks, sometimes longer) prior to its release.
    During that time Security fixes are created and made available to the
    public since they're important, but not put into the frozen Service
    Pack distribution because that would delay its (the SPs) release.
    
    So always double-check, using one of the three methods mentioned
    above, whether or not you need to re-apply a Security hotfix after a
    Service Pack installation. There are almost always going to be at
    least one or two.
    
    Cheers,
    Russ - Surgeon General of TruSecure Corporation/NTBugtraq Editor
    
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