Date: Thu, 3 Sep 1998 19:44:29 -0500 (CDT) From: Joel Ray Holveck <joelh@gnu.org> To: tlambert@primenet.com Cc: tlambert@primenet.com, eivind@yes.no, bde@zeta.org.au, current@FreeBSD.ORG Subject: Re: ELF binaries size Message-ID: <199809040044.TAA13034@detlev.UUCP> In-Reply-To: <199809030753.AAA23003@usr07.primenet.com> (message from Terry Lambert on Thu, 3 Sep 1998 07:53:56 %2B0000 (GMT)) References: <199809030753.AAA23003@usr07.primenet.com>
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>>> For a system to be secure, you must not permit code to be >>> written to by the process, only data. >> Why? > To prevent stack-overflow from resulting in executable code. Even though a stack overflow (sic) could result in returning to mmap with args to load whatever executable code you wanted? Best, joelh -- Joel Ray Holveck - joelh@gnu.org - http://www.wp.com/piquan Fourth law of programming: Anything that can go wrong wi sendmail: segmentation violation - core dumped To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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