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An unchecked buffer in the Terminal Server login prompt could allow a malicious user to cause the Terminal Server to execute arbitrary code. The ability to execute arbitrary code would enable the malicious user to add, change, or delete data, run code already on the server, or upload new code to the server and run it. The malicious user would not need to successfully login to the Terminal Server in order to initiate this attack. This vulnerability could be exploited remotely if connection requests are not filtered. By default, Terminal Server listens on tcp port 3389. This port should be blocked at the firewall and/or router if Terminal Server access from the Internet is not require