J-Security Center

Title: Cooolsoft PowerFTP Server Remote Denial Of Service Vulnerability

Severity: HIGH

Description:

PowerFTP server is a shareware ftp server available for the Microsoft Windows platform. It is distributed and maintained by Cooolsoft.

A problem with PowerFTP server could make it possible for remote users to deny service to legitimate users of the server.

It has been reported that PowerFTP server does not properly handle long user names. When excessive data is supplied as an argument to the FTP 'USER' command, the server becomes unstable. Exploitation of this vulnerability typically results in a crash of the server, requiring a manual restart to resume FTP service.

It is possible that this vulnerability is an exploitable buffer overflow. If this overflow does prove to be exploitable, a user could execute arbitrary code with the privileges of the PowerFTP server. This service would typically run with SYSTEM privileges.

Affected Products:

  • Cooolsoft PowerFTP 2.0.0 3
  • Cooolsoft PowerFTP 2.10.0
  • Cooolsoft PowerFTP 2.23.0
  • Cooolsoft PowerFTP 2.24.0
  • Cooolsoft PowerFTP 2.25.0

References:

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