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Date:      Wed, 21 Mar 2001 08:01:43 -0800 (PST)
From:      Larry Librettez <lipshitz909@yahoo.com>
To:        freebsd-security@freebsd.org
Cc:        freebsd-stable@freebsd.org
Subject:   Cannot su to root in X terminal with 4.3-BETA
Message-ID:  <20010321160143.26738.qmail@web13204.mail.yahoo.com>

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After upgrading to 4.3-BETA, I find I cannot su to
root in a terminal window (rxvt, xterm) in X
(XFree86-3.3.6 with either GNOME or KDE).  Even if I
enter the correct password, the su login gets rejected
(and yes, user is member of wheel group). The logs
report `BAD SU LIPSHITZ to root on ttyp0`.  However,
in a plain terminal (not  in X), I CAN su to root as a
regular user. Prior to upgrading to  4.3-BETA (kernel
+ userland), I was able to su to root in X in 
4.2-STABLE.   I tried adding `secureī after the ttyp
entries in /etc/ttys but that didnīt help. I did both
mergemaster and MAKEDEV all during my rebuild.  I
specifically re-made the ttyp* devices.  I even typed
out the su password on the terminal to make sure it
shows correctly and it does.  On a separate box using
4.2-STABLE I upgraded only the kernel to 4.3-BETA
(same 4.2-STABLE userland), and the problem still
occurred - couldnīt su to root in an X terminal. 

Is the problem in the kernel?  A bug?  A DoS?  I
cvsupīd 3 times and rebuilded 3 times with no change
in this problem.

How do I fix this?


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