Good Day!
On Thu, Apr 03, 2003 at 10:12:54AM +0800, Orlando Andico wrote:
> On Thu, 3 Apr 2003, Barry Dexter A. Gonzaga wrote:
> ..
> > Also architectures like sparc, sparc64, alpha, hppa and the
> > upcoming AMD Hammer support W^X [0], which ensures that memory that can
> > be written by programs cannot be executable at the same time and
> > vice-versa. At the moment only OpenBSD supports this. This makes
> > buffer overflows a trifle hard to exploit.
>
> You can get mostly the same effect by using the StackGuarded GCC.
No, but StackGuard is similar to ProPolice. Though OpenBSD folks
integrated ProPolice as it supports architectures other than i386.
More on OpenBSD recent security enhancements[0].
> ---
> Orlando Andico <[EMAIL PROTECTED]>
> Mosaic Communications, Inc.
Mabuhay! barryg
[0] http://marc.theaimsgroup.com/?l=openbsd-misc&m=104391783312978
--
Barry Dexter A. Gonzaga, bofh
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