Re: Future Linux devel. Kernels

Date: Tue May 09 2000 - 15:04:24 EST

On Mon, 8 May 2000, Khimenko Victor wrote:
> On 8 May 2000 wrote:
> > non executable stack give, as it was said before, a false sence of security;
> >
> And guess who said it ?
> > also, the majority of recent exploit work on non exec stack as it is, at least,
> > as easy to write an exploit for non executable as for executable stack.
> >
> Hah. HOW LONG non-executable stack prevented exploits for quite a few
> peoples ? Yes, it's well-known thing now and does not work anymore.
> That's why you do not want such things in mainstream kernel.
> > So it will not even work on short term.
> >
> It works fine in short term. Non-executable stack prevented LOTS of
> intrusion attempts. Yes, now this hack timed out and not so usefull
> anymore but it worked. For few YEARS. Not so "short" term I want to say.
The information on how to exploit a non-exec stack on x86 has been around
for years.

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