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.


---
Orlando Andico <[EMAIL PROTECTED]>
Mosaic Communications, Inc.

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