Utility evades Vista kernel defenses

Tuesday, 31 July 2007, 3:12 AM EST

A security feature in the 64-bit version of Windows Vista can be easily circumvented with a free utility that loads unsigned drivers into the kernel, according to researchers at Symantec Corp.

Among 64-bit Vista's security provisions is one new to Microsoft's operating systems: only digitally-signed code can be loaded into the kernel. Under those new rules, code destined for the kernel must be accompanied by a signed certificate available from a limited number of issuing authorities. Drivers not equipped with a legitimate certificate aren't loaded.

At Computerworld.

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