Title: Microsoft Windows 2000/NT Terminal Server Service RDP DoS Vulnerability
Severity: MODERATE
Description:
Microsoft Windows Terminal Server centralizes management of user applications for each client connected to the server. User applications and desktops are transmitted over the network and displayed via terminal emulation program.
Due to a flaw in the implementation of RDP in Windows 2000/NT Terminal Server, it is possible for a remote user to cause a host to stop responding.
Sending malformed RDP packets to a host on port 3389 could cause a denial of services, potentially impacting the Terminal service and other applications running on the affected host.
A restart is required in order to gain normal functionality.
It should be noted that port 3389 is the default RDP port, however this port can vary depending on system configuration.
Affected Products:
- Microsoft RDP 4.0.0
- Microsoft RDP 5.0.0
- Microsoft Windows 2000 Advanced Server
- Microsoft Windows 2000 Advanced Server SP1
- Microsoft Windows 2000 Advanced Server SP2
- Microsoft Windows 2000 Advanced Server SP3
- Microsoft Windows 2000 Datacenter Server
- Microsoft Windows 2000 Datacenter Server SP1
- Microsoft Windows 2000 Datacenter Server SP2
- Microsoft Windows 2000 Datacenter Server SP3
- Microsoft Windows 2000 Professional
- Microsoft Windows 2000 Professional SP1
- Microsoft Windows 2000 Professional SP2
- Microsoft Windows 2000 Professional SP3
- Microsoft Windows 2000 Server
- Microsoft Windows 2000 Server SP1
- Microsoft Windows 2000 Server SP2
- Microsoft Windows 2000 Server SP3
- Microsoft Windows 2000 Terminal Services
- Microsoft Windows 2000 Terminal Services SP1
- Microsoft Windows 2000 Terminal Services SP2
- Microsoft Windows 2000 Terminal Services SP3
- Microsoft Windows NT Terminal Server 4.0
- Microsoft Windows NT Terminal Server 4.0 SP1
- Microsoft Windows NT Terminal Server 4.0 SP2
- Microsoft Windows NT Terminal Server 4.0 SP3
- Microsoft Windows NT Terminal Server 4.0 SP4
- Microsoft Windows NT Terminal Server 4.0 SP5
- Microsoft Windows NT Terminal Server 4.0 SP6
References:
- Microsoft: Microsoft Security Bulletin MS01-052
- Microsoft: Microsoft Technet Security
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