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Dailydave: Re: Vista SP1

Re: Vista SP1

From: Dave Aitel <dave_at_immunityinc.com>
Date: Fri, 25 Apr 2008 08:41:23 -0400

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I've been told (although I did not write that exploit, Kostya did) that
you end up using opcodes in your bytecode stream to get execution. This
would mean that the bytecode stream has to be executable, which SP1
breaks. Not that this breaks the many other ways you can write the
exploit, but it would make it slightly harder.

I could be wrong on this
- -dave

Alexander Sotirov wrote:
| On Thu, Apr 24, 2008 at 07:27:18AM -0400, Dave Aitel wrote:
|> Vista SP1 was released to Automatic Update. One thing about SP1 is
that it
|> breaks the Flash exploit Mark Dowd describes in his paper by making
certain
|> memory NX.
|
| What memory does SP1 make NX? The iexplore.exe process is not on the
OptIn DEP
| list in Vista SP1, so everything in memory is always executable.
|
| Alex

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Received on Apr 25 2008

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