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From: Alan Cox <alan@cymru.net> To: baba@beckman.uiuc.edu Date: Fri, 25 Oct 1996 09:31:11 +0100 (BST) Cc: zarq@1stnet.com, linux-security@tarsier.cv.nrao.edu In-Reply-To: <199610211627.LAA10870@tigger.beckman.uiuc.edu> from "Baba Z Buehler" at Oct 21, 96 11:27:48 am > > I haven't had a chance to look at the source code yet, but it appears that > > ncpmount and ncpumount suffer from exactly the same problem that mount and > > umount did. In fact, the mount exploit that was so widely circulated works > > with ncpumount with no modifications. > Wouldn't the best thing to do be to roll ncp(un)mount, smb(un)mount into the > standard Linux mount command? Unquestionably. I'm going to look at changing the exact rules Linux uses to decide if you can mount over something to allow mounting directly over a current directory. That way mount can cd to the directory to mount and mount over . (which isnt going to move) Alan
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