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• In reply to: Aleph One: "utmp"
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>Hmm, anyone can explain a bit more the recent CERT advisory on /etc/utmp.
>I assume the attakers where able to obtain root by fooling programms that
>only use the information in /etc/utmp for authentication, instead of
>calling for the users user id  and real user id. anyone mind extending
>this description...


Some programs will write directly to "devices" found in /etc/utmp,
without validating that they are really user's tty devices.

	-Jeff
-- 
Jeff Beadles       jeffneon.rain.com

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