The same thing happened to me. It appears that in the latest shellutils package, someone forgot to mark that su should be suid root (or sgid shadow when using shadow passwords).
"chmod 4755 /bin/su" fixes it. You'll have to login as root to do so though ;) On Tue, 1 Jun 1999, Pollywog wrote: > I just started having a problem with su. It tells me "wrong password" but I > can log in from a console as root with the same password. > > I just upgraded the /etc/pam.d stuff and I wonder if this is the cause of this > problem. > > thanks > > btw, should /bin/su have the suid bit set? It does not.