Title: Exceed Denial of Service Vulnerability
Severity: HIGH
Description:
The Exceed X server is an X Windows server for Windows 95/98 and WindowsNT. The server listens for connections on port 6000. Connecting to this port from any IP address and entering random data hangs the server.
The newer versions of the server are not vulnerable to this attack but they hang anywhere from a couple of seconds to a couple of minutes when a connections is made to the port from any IP address. A small script that continually connects to the server can in practice freeze the server.
Affected Products:
- Hummingbird Exceed 5.0.0
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