fix potential timing attack issue

1 files changed, 2 insertions, 1 deletions

diff --git a/Http/RememberMe/PersistentTokenBasedRememberMeServices.php b/Http/RememberMe/PersistentTokenBasedRememberMeServices.php
index f800668..0fffbfe 100644
--- a/Http/RememberMe/PersistentTokenBasedRememberMeServices.php
+++ b/Http/RememberMe/PersistentTokenBasedRememberMeServices.php
@@ -21,6 +21,7 @@ use Symfony\Component\Security\Core\Authentication\RememberMe\PersistentToken;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Util\SecureRandomInterface;
 use Psr\Log\LoggerInterface;
+use Symfony\Component\Security\Core\Util\StringUtils;
 
 /**
  * Concrete implementation of the RememberMeServicesInterface which needs
@@ -90,7 +91,7 @@ class PersistentTokenBasedRememberMeServices extends AbstractRememberMeServices
         list($series, $tokenValue) = $cookieParts;
         $persistentToken = $this->tokenProvider->loadTokenBySeries($series);
 
-        if ($persistentToken->getTokenValue() !== $tokenValue) {
+        if (!StringUtils::equals($persistentToken->getTokenValue(), $tokenValue)) {
             throw new CookieTheftException('This token was already used. The account is possibly compromised.');
         }