From 409897b68e308a88be67031d88846afaa8545d58 Mon Sep 17 00:00:00 2001 From: Ivan Kurnosov Date: Thu, 24 Mar 2022 14:01:56 +1300 Subject: [PATCH] bug #42637 [Security] Fixed TOCTOU in RememberMe cache token verifier --- .../Core/Authentication/RememberMe/CacheTokenVerifier.php | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/Symfony/Component/Security/Core/Authentication/RememberMe/CacheTokenVerifier.php b/src/Symfony/Component/Security/Core/Authentication/RememberMe/CacheTokenVerifier.php index dabc719055fcf..340bc87c2e32e 100644 --- a/src/Symfony/Component/Security/Core/Authentication/RememberMe/CacheTokenVerifier.php +++ b/src/Symfony/Component/Security/Core/Authentication/RememberMe/CacheTokenVerifier.php @@ -45,11 +45,11 @@ public function verifyToken(PersistentTokenInterface $token, string $tokenValue) } $cacheKey = $this->getCacheKey($token); - if (!$this->cache->hasItem($cacheKey)) { + $item = $this->cache->getItem($cacheKey); + if (!$item->isHit()) { return false; } - $item = $this->cache->getItem($cacheKey); $outdatedToken = $item->get(); return hash_equals($outdatedToken, $tokenValue); pFad - Phonifier reborn

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