A little guidance - TI Xenix

From: Ward Griffiths and/or Lisa Rogers <gram_at_cnct.com>
Date: Sat Jun 14 18:19:08 1997

On Fri, 13 Jun 1997, Sam Ismail wrote:

> Build a device that taps into the data bus. Make it so that you can set
> a memory address using knobs and then the 16-bit value you want to store
> in that address. Then put a "fire" button on it that sets that memory
> address to the value. Then, find out where your uid is stored in the
> kernal, use your device to set the value at that address to 0, press fire
> and voila! You are root!

crack is easier than finding where the kernel is going to store a UID in
memory. It's not exactly a constant. (But you knew that -- using the
term "uid" gives you away as knowing about processors that handle more
than eight bits at a time 8-)} heretic).
Ward Griffiths
"America is at that awkward stage.  It's too late to work within 
the system, but too early to shoot the bastards." --Claire Wolfe
Received on Sat Jun 14 1997 - 18:19:08 BST

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