The Case of Slammer and the Broken Patching Process
Though it could have been worse, the Slammer worm that crippled networks last weekend at a pace of 200,000 to 300,000 attacks per hour really shouldn't have been as big or as widespread as it was. Microsoft had discovered the vulnerability in its SQL Server 2000 software back in July and had issued a patch for it.
In fact, companies that had installed SQL Service Packs 2 or 3 or patches from other sources issued since the security hole was discovered escaped virtually unscathed, which brings us to the big question:
How could Slammer have had such a devastating effect if the patch was available?
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- Article: MS SQL Worm Roundup (25 January 2003)