J-Security Center

Title: GoodTech FTP Server Denial of Service

Severity: MODERATE

Description:

GoodTech FTP Server is an application used to download and upload files between computers on the internet.

If an attacker makes an unusual number of connections to the FTP Server, approx 2060-2080 connections, GoodTech FTP Server will either crash or refuse any new connections. The result of this vulnerability is dependant on the rate at which the connections are made. If the connections are made rapidly the server will crash. If the connections are made in a timely manner the FTP banner will display followed by an immediate disconnection. A restart of the service is required in order to gain normal functionality.

Successful exploitation of this vulnerability could assist in further attacks against the victim host.

Affected Products:

  • GoodTech FTP Server 95/98 3.0.1
  • GoodTech FTP Server NT/2000 3.0.1

References:

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