mailing list archives
Re: Buffer overflow prevention
From: Timo Sirainen <tss () iki fi>
Date: Thu, 14 Aug 2003 22:17:29 +0300
On Thursday, Aug 14, 2003, at 20:26 Europe/Helsinki, Mariusz Woloszyn
On Thu, 14 Aug 2003, Stephen Clowater wrote:
Also, you can use chpax, and turn on a non-executable stack, and with
It's been proved many times that non-executable stack adds NO security
Every single class of vulnerabilities exploitable with executable stack
can be also exploited with non-executable stack.
What he forgot to mention is that PAX and grsec also gives you
non-executable heap and randomized address bases to prevent
return-to-libc attacks. AFAIK all those combined do bring real security
against generic exploits.
Re: Buffer overflow prevention Thomas Sjögren (Aug 14)
- RE: Buffer overflow prevention, (continued)