Fix CSRF token generation must be fast, can have low entropy.

This commit is contained in:
Laurent Destailleur 2021-07-07 14:38:52 +02:00
parent 4dd29af555
commit 2f25079981

View File

@ -420,7 +420,7 @@ if (!defined('NOTOKENRENEWAL')) {
if (isset($_SESSION['newtoken'])) $_SESSION['token'] = $_SESSION['newtoken'];
// Save in $_SESSION['newtoken'] what will be next token. Into forms, we will add param token = $_SESSION['newtoken']
$token = dol_hash(uniqid(mt_rand(), true)); // Generates a hash of a random number
$token = dol_hash(uniqid(mt_rand(), false), 'md5'); // Generates a hash of a random number. We don't need a secured hash, just a changing random value.
$_SESSION['newtoken'] = $token;
dol_syslog("NEW TOKEN generated by : " . $_SERVER['PHP_SELF'], LOG_DEBUG);
}