Solaris rpc.mountd generates error messages that allow a remote attacker to determine what files are on the server.

CIAC:I-048 | URL:http://www.ciac.org/ciac/bulletins/i-048.shtml | SUN:00168 | URL:http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/168 | XF:sun-mountd