Kmem security (was: Re: How do you make your UNIX crash ???)

Tom Christiansen tchrist at convex.COM
Thu Mar 14 04:03:00 AEST 1991


>From the keyboard of cjc at ulysses.att.com (Chris Calabrese):
:Allowing any access to /dev/kmem is asking for trouble.
:It's possible to become root on a system which
:has a readable /dev/kmem without too much trouble.

With just read access?  How do you do that?  I can understand
being able to read other people's data, but I really don't know 
how you would use this to become the superuser.  Reading su passwds?
This is much harder in raw mode.


--tom



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