CVE-1999-1156

Summary

CVE-1999-1156 is a denial-of-service vulnerability affecting BisonWare FTP Servers version 4.1 and earlier. An attacker can exploit this issue by sending a malformed PORT command with a non-numeric character and a large number of carriage returns, leading to a server crash and subsequent unavailability of the FTP service. This vulnerability could potentially cause significant disruption to organizations relying on the affected FTP server for critical data transfer. It is important to note that exploitation of this vulnerability does not result in unauthorized access to the system, but rather renders it inaccessible. Upgrading to a patched version of the FTP server is recommended to mitigate this risk.

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