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SubjectRe: [Announcement] "Exec Shield", new Linux security feature
On Fri, 2 May 2003, Florian Weimer wrote:

> Davide Libenzi <davidel@xmailserver.org> writes:
>
> > Ingo, do you want protection against shell code injection ? Have the
> > kernel to assign random stack addresses to processes and they won't be
> > able to guess the stack pointer to place the jump.
>
> If your software is broken enough to have buffer overflow bugs, it's
> not entirely unlikely that it leaks the stack address as well (IIRC,
> BIND 8 did).

Leaking the stack address is not a problem in this case, since the next
run will be very->very->very likely different.



- Davide

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