Date: Mon, 10 Feb 1997 17:46:03 +1100 From: Bruce Evans <bde@zeta.org.au> To: freebsd-security@FreeBSD.org, roberto@keltia.freenix.fr Subject: Re: buffer overruns Message-ID: <199702100646.RAA25451@godzilla.zeta.org.au>
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>The easiest way to close all this bugs is to make the stack non executable >(from a processor standpoint) but I'm not sure you can do it in Intel >processors. Non-executable stack and data segments are natural for Intel processors. I remember when I first tried crashme under Minix. It went nowhere because the data/stack segment was separate from the code segment (and execute-protected). I had to compile crashme with common I&D to work. Bruce
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