/bin/login overflow in SunOS 4.x?

From: Brian Parent (bparent@calvin.ucsd.edu)
Date: 12/18/01 

Date: Mon, 17 Dec 2001 15:32:02 -0800
From: Brian Parent <bparent@calvin.ucsd.edu>
To: Focus on Sun Mailing List <FOCUS-SUN@securityfocus.com>

Does anyone know whether SunOS 4.x is vulnerable to the /bin/login
buffer overflow problem? CERT's CA-2001-34 lists "Solaris 8 and earlier"
as vulnerable. It's not clear to me whether this includes SunOS 4.x,
(which at some point was part of Solaris 1.x).