The Cenroll ActiveX control (xenroll.dll) for Terminal Server Editions of Windows NT 4.0 and Windows NT Server 4.0 before SP6 allows remote attackers to cause a denial of service (resource consumption) by creating a large number of arbitrary files on the target machine.
https://exchange.xforce.ibmcloud.com/vulnerabilities/7107
http://www.securityfocus.com/bid/6827
http://www.kb.cert.org/vuls/id/3062
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B242366