search menu icon-carat-right cmu-wordmark

CERT Coordination Center

BlackJumboDog contains buffer overflow vulnerability

Vulnerability Note VU#714584

Original Release Date: 2004-08-03 | Last Revised: 2005-04-14


BlackJumboDog fails to verify the length of several FTP commands, creating a buffer overflow vulnerability. Exploitation of this vulnerability may result in code execution on the target system with privileges of the FTP service.


BlackJumboDog is a multi-function server for Microsoft Windows, providing FTP, email, web, and proxy services. Version 3.6.1 contains a buffer overflow vulnerability. BlackJumboDog fails to check the length of FTP commands passed to it. Using specially crafted FTP commands, a remote user can trigger a buffer overflow condition and possibly execute code on the server.


A remote attacker may be able to exploit this vulnerability to compromise the BlackJumboDog system.


This issue has been resolved in version 3.6.2 of BlackJumboDog.

Vendor Information


SapporoWorks Affected

Updated:  August 03, 2004



Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.


It is reported on the SapporoWorks web page that version 3.6.2 resolves this issue.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

CVSS Metrics

Group Score Vector



Thanks to Secunia, Tan Chew Keong, and SIG^2 for the information contained in their security advisories

This document was written by Will Dormann.

Other Information

CVE IDs: None
Severity Metric: 3.38
Date Public: 2004-08-02
Date First Published: 2004-08-03
Date Last Updated: 2005-04-14 18:09 UTC
Document Revision: 14

Sponsored by CISA.