NT crash via extra long username in Winpopup

Summary

Description:	You can crash an NT box (possibly W95 too) by sending a very long username in a Winpopup message. This is easy to do from UNIX with 'smbclient -U LOTSandLOTSofcrap -M host'.
Author:	Well known.
Compromise:	Crash Windows boxes
Vulnerable Systems:	Windows NT 4.0 and earlier, fixed in NT 4.0 Service pack 3. Win95 may be vulnerable.
Date:	April 1997

Details

Everything you need to know is in the description ;)

-Fyodor

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