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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!news.kei.com!news.mathworks.com!newsfeed.internetmci.com!news.sprintlink.net!helena.MT.net!nate From: nate@trout.sri.MT.net (Nate Williams) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: PTY's reused to quickly Date: 15 Sep 1995 16:29:51 GMT Organization: SRI Intl. - Montana Operations Lines: 22 Message-ID: <43c9lv$8jv@helena.MT.net> References: <431of5$ffm@voyager.internex.net> Reply-To: "Nate Williams" <nate@sneezy.sri.com> NNTP-Posting-Host: trout.sri.mt.net In article <431of5$ffm@voyager.internex.net>, Grant Haidinyak <grant@iwv.com> wrote: >I've noticed that if a user logs into FreeBSD 2.0.5 Release, and the session >unexpectedly gets aborted (ie the user's DOS machine crashes), then the pty >stays open. Then when another user logs into the FreeBSD box, they get the same >pty assigned to them, and they also get attached to the same shell session (as >well as the new shell session), quite annoying. It's not only annoying, but I'd consider this a big security hold. Is this happening with modems or network sessions? I could see this happening with modems, but I've *never* seen this bug with a network session. Can you give more details? Nate -- nate@sneezy.sri.com | Research Engineer, SRI Intl. - Montana Operations nate@trout.sri.MT.net | Loving life in God's country, the great state of work #: (406) 449-7662 | Montana. Wanna go fly fishing? I don't charge or home #: (406) 443-7063 | feed you, but I do know the area pretty well.