Re: Buffer Over-runs, was Open source firewalls

From: Arjan van de Ven
Date: Fri Jul 15 2005 - 03:49:24 EST


On Fri, 2005-07-15 at 13:56 +0530, RVK wrote:
> >except this is no longer true really ;)
> >
> >randomisation for example makes this a lot harder to do.
> >gcc level tricks to prevent buffer overflows are widely in use nowadays
> >too (FORTIFY_SOURCE and -fstack-protector). The combination of this all
> >makes it a LOT harder to actually exploit a buffer overflow on, say, a
> >distribution like Fedora Core 4.
> >
> >
> >
> >
> Still is very new....not every one can immediately start using gcc 4.

it;s also available for gcc 3.4 as patch (and included in FC3 and RHEL4
for example)

so it's new? so what? doesn't make it less true that it nowadays is a
lot harder to exploit such bugs on recent distros.


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