Bugtraq: Re: Libsafe Protecting Critical Elements of Stacks

[allbery () ECE CMU EDU (Brandon S. Allbery KF8NH)]

Crispin Cowan <crispin () WIREX COM> wrote:
__________
> The BRW method is a pseudo-compiler that can transform binaries into
> "safe" programs by transforming the binary.  It copies program onto the
> heap, inserting checks as it goes.  The copy-to-the-heap is to make
> space for the additional checks.  I really like the BRW method, and hope
> it becomes available.
AFAIK binary rewriting is covered by a patent owned by Rational Software
(via purchase of Pure) and therefore cannot be released.

brandon s. allbery
system administrator, ece
carnegie mellon university