Title: Microsoft Windows Terminal Server Service 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 Microsoft Terminal Server service, it is possible for a host to be led to consume all available memory resources. This behaviour is the result of flaws in the server's memory management.
Malformed data packets submitted repeatedly to an affected host on port 3389, will result in the accumulation of allocated memory that is not freed after use. It is possible to exhaust the memory resources of the target system, potentially impacting the Terminal service and other applications running on the affected host.
A restart is required in order to gain normal functionality.
Affected Products:
- Avaya DefinityOne Media Servers
- Avaya IP600 Media Servers
- Avaya S3400 Message Application Server
- Avaya S8100 Media Servers
- Microsoft Windows 2000 Advanced Server
- Microsoft Windows 2000 Advanced Server SP1
- Microsoft Windows 2000 Advanced Server SP2
- Microsoft Windows 2000 Datacenter Server
- Microsoft Windows 2000 Datacenter Server SP1
- Microsoft Windows 2000 Datacenter Server SP2
- Microsoft Windows 2000 Server
- Microsoft Windows 2000 Server SP1
- Microsoft Windows 2000 Server SP2
- Microsoft Windows NT Terminal Server 4.0
References:
- Microsoft: Microsoft Security Bulletin MS01-040
- Microsoft: Microsoft Technet Security
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