sacrificing performance for confusion
jroberson at chesapeake.net
Thu Jun 26 18:04:28 PDT 2003
On 26 Jun 2003, D. J. Bernstein wrote:
> > Using VMM protection to forbid code execution within the DATA, BSS, heap,
> > and stack (if one can) mitigates against a common class of problems--
> I don't believe you. Show me a real program that's (1) vulnerable if
> data/bss/heap/stack are executable and (2) invulnerable otherwise.
> Yes, attacks are often written to take advantage of executable stacks;
> but, in every case I've investigated, the programs would still have been
> vulnerable with non-executable stacks.
They would be vulnerable to a denial of service but not to any privilige
Please go spread FUD somewhere else. We're not going to put all of your
sections in the same page. Nobody cares.
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