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SubjectRe: Unexecutable Stack / Buffer Overflow Exploits...
On Thu, 30 Dec 1999, Theodore Y. Ts'o wrote:

> In any case, I suspect that if something randomly added some random
> value between 0 and 128k to the stack pointer at startup time, it would
> also go a fairly long way towards thwarting overrun attacks --- but make
> no mistake, it's still only papering over the problem.

I posted a kernel patch that did this a couple years back. And it's not
really worth it. Assuming you can stick several kB on the stack, you can
easily cut your guessing work factor by a lot.

--
"Love the dolphins," she advised him. "Write by W.A.S.T.E.."

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