COMMAND

    GoodTech Telnet Server

SYSTEMS AFFECTED

    GoodTech Telnet Server NT v2.2.1

PROBLEM

    UssrLabs found a  Remote DoS Attack  in GoodTech Telnet  Server NT
    v2.2.1, the buffer  overflow is caused  by a long  user name 23870
    characters.   There is  not much  to expand  on.... just  a simple
    hole.  Example:

        [gimmemore@itsme]$ telnet example.com
        Trying example.com...
        Connected to example.com.
        Escape character is '^]'.
        
        Welcome to GoodTech Telnet Server for Windows NT (V2.2) (Evaluation Copy)
        
        (C) Copyright 1996-1999 GoodTech Systems, Inc.
        
        
        Login username: (buffer)
        
        Overflow Crashh.

    Where (buffer) is 23870 characters.

SOLUTION

    Nothing yet.