logging on as root on other than /dev/console

Paul Gillingwater paul at actrix.co.nz
Sat Jan 6 17:21:48 AEST 1990


In article <39 at guug.UUCP> ott at guug.UUCP (Joachim Ott) writes:
>i have done this once for microport unix: find out the address of the string
>'not on system console' in the data segment (use 'hd' and a calculator);
>find out where this address is pushl'ed (to printf) - use 'dis'; shortly
>after the printf-call is the exit-call - replace it with nop's (write your
>own program). After this you can login as root from anywhere.

Gack!  What's wrong with commenting out the line

CONSOLE=/dev/console

in /etc/default/login?
-- 
Paul Gillingwater, paul at actrix.co.nz



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