Date: Mon, 10 Feb 1997 17:01:09 -0500 (EST) From: Dev Chanchani <dev@trifecta.com> To: "M.C Wong" <mcwong@imail.com> Cc: security@freebsd.org Subject: Re: Writing buffer overwrite on FreeBSD ? Message-ID: <Pine.BSF.3.91.970210170001.7708D-100000@www.trifecta.com> In-Reply-To: <199702101920.OAA24541@fabius.globecomm.net>
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M.C Wong, The code you are talking about deals with a buffer overflow in syslog. This overflow was fixed a long time ago in Freebsd and your system is probably not vulerable to that particlular overflow anymore. Dev Chanchani On Tue, 11 Feb 1997, M.C Wong wrote: > Dear Sir/Madam, > > With reference to http://www.l0pht.com/advisories/bufero.html, I wonder > if anyone manage to make 2nd cut of the program used in the tutorial > (syslog_test_2.c) throws out a SIGTRAP ? Similarly for the 3rd cut and > the final program which runs smoothly from begining to end and not > causing any error. Am I reading the codes wrongly ? > > I understand the code was originally written on BSDI system but thought > the similarity between it and FreeBSD should exhibit the same bahaviour > when executing the codes. Not! > > Have someone had any experience in writing similar buffer overun test > code that actually works on a FreeBSD box ? > > Appreciate sharing of such information if available. > > Regards, > > M.C Wong >
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