Because FileZilla Server 0.9.60 beta was free, lightweight, and easy to configure, many small businesses, educational institutions, and home users deployed it. Years later, countless systems remain unpatched, running this outdated beta version—often without the administrators even realizing it. GitHub has become the central hub for sharing exploit code. Searching for "FileZilla Server 0.9.60 beta exploit" yields several key repositories. Let's break down the most common types of exploits available. 1. Denial of Service (DoS) Exploits The simplest exploits target the FTP server's memory management. By sending a malformed MKD (make directory) command with an excessively long argument, an attacker can crash the service.
nmap -sV -p 21 --script=ftp-bounce <target> Look for banners containing: FileZilla Server 0.9.60 beta filezilla server 0.9.60 beta exploit github
import socket target = "192.168.1.100" port = 21 Because FileZilla Server 0
def initialize(info = {}) super(update_info(info, 'Name' => 'FileZilla Server 0.9.60 beta DELE Command Buffer Overflow', 'Description' => %q{ This module exploits a stack-based buffer overflow in FileZilla Server 0.9.60 beta. The vulnerability exists in the processing of the DELE command. }, 'Author' => [ 'Security Researcher' ], 'Platform' => 'win32', 'Payload' => { 'BadChars' => "\x00\x0a\x0d" }, 'Targets' => [ [ 'Windows XP SP3 / Windows 7', { 'Ret' => 0x00412345 } ] ], 'DefaultTarget' => 0)) end Searching for "FileZilla Server 0
This simple script causes the FileZilla Server.exe process to crash, interrupting any active transfers or authenticated sessions. While DoS is not a data breach, it can cripple business operations relying on FTP. More dangerous are RCE exploits. Researchers have demonstrated that the buffer overflow in the DELE (delete) command can be leveraged to overwrite the Structured Exception Handler (SEH) chain, allowing an attacker to execute arbitrary shellcode.
The most infamous vulnerability in this version is related to in the FTP server's command parsing logic. Specifically, security researchers discovered that certain FTP commands (like DELE , MKD , RMD , and LIST ) could be exploited to cause a denial of service (DoS) or, in some cases, remote code execution (RCE).
GitHub repositories often include an .rb file for Metasploit Framework: