In message <S1339023AbVAQNtU/20050117134930Z+89825@mail2.centrum.cz>, "Dunric" 
writes:
>I upgraded NetBSD 2.0 to current from sources and now any user can su
>to root without a password.
>Yep, I've read /usr/src/UPDATING, I've run postinstall -s /usr/src -d
>/ fix. Postinstall was unable to fix x11 config files only.
>After postinstall and etcupdate I've found /etc/pam.d remains empty so I tried
>to copy manualy pam config for su from /usr/src/etc/pam.d but it
>solved nothing :-(
>
>What have to be done for authentication to be working again ?
>
>
>Thx in advance
>
That sure sounds like root no longer has a password.  You can check 
that by looking at /etc/master.passwd, or simply setting a new password 
for root.

		--Prof. Steven M. Bellovin, http://www.cs.columbia.edu/~smb