Remote DoS Attack in Windows 2000/NT 4.0 TCP/IP Print Request Server Vulnerability

Type securityvulns
Reporter Securityvulns
Modified 2000-04-04T00:00:00



Remote DoS Attack in Windows 2000/NT 4.0 TCP/IP Print Request Server Vulnerability

USSR Advisory Code: USSR-2000037

Release Date: March 28, 2000

Systems Affected: Microsoft Windows NT 4.0 Workstation Microsoft Windows NT 4.0 Server Microsoft Windows NT 4.0 Server, Enterprise Edition Microsoft Windows 2000 Professional Microsoft Windows 2000 Server Microsoft Windows 2000 Advanced Server

Services Affected: SimpTCP, DHCPServer FTPSvc, LPDSvc, BinlSvc, TCP/IP Print Request Server.


Ussr Labs found a heap memory problem in TCP/IP Print Server, if anyone perform a atack with specially-malformed information to port (515 Print Server),could cause the process containing the service to crash,and also could cause other services such as, SimpTCP, DHCPServer FTPSvc, LPDSvc, BinlSvc,to stop.

Binary or Source for this D.o.S:

The Exploit:

The D.O.S, stop the remote machine services: SimpTCP, DHCPServer, FTPSvc, LPDSvc, BinlSvc, and crash the TCP/IP Print Request Server

Vendor Status: Contacted: Mon 2/28/2000 5:54 PM

Vendor Url: Program Url:


Windows 2000 (all versions):

Windows NT 4.0

Windows NT 4.0 Alpha:

More Information:

Microsoft Security Bulletin MS00-021: Frequently Asked Questions,

Microsoft Knowledge Base (KB) article Q257870.

Related Links:

Underground Security Systems Research

Greetings: Eeye, Attrition, w00w00, beavuh, Rhino9,, ADM, HNN, Technotronic and Wiretrip.

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