Buffer overflow in Microsoft Terminal Services Advanced Client (TSAC) ActiveX control allows remote attackers to execute arbitrary code via a long server name field.
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-046
http://www.securityfocus.com/bid/5554
http://www.iss.net/security_center/static/9934.php
http://www.atstake.com/research/advisories/2002/a082802-1.txt