5 files changed, 42 insertions, 3 deletions
diff --git a/Core/Encoder/BCryptPasswordEncoder.php b/Core/Encoder/BCryptPasswordEncoder.php
index 9349291..fc79021 100644
--- a/Core/Encoder/BCryptPasswordEncoder.php
+++ b/Core/Encoder/BCryptPasswordEncoder.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Security\Core\Encoder;
 
 use Symfony\Component\Security\Core\Encoder\BasePasswordEncoder;
+use Symfony\Component\Security\Core\Exception\BadCredentialsException;
 
 /**
  * @author Elnur Abdurrakhimov <elnur@elnur.pro>
@@ -64,6 +65,10 @@ class BCryptPasswordEncoder extends BasePasswordEncoder
      */
     public function encodePassword($raw, $salt)
     {
+        if ($this->isPasswordTooLong($raw)) {
+            throw new BadCredentialsException('Invalid password.');
+        }
+
         $options = array('cost' => $this->cost);
 
         if ($salt) {
@@ -78,6 +83,6 @@ class BCryptPasswordEncoder extends BasePasswordEncoder
      */
     public function isPasswordValid($encoded, $raw, $salt)
     {
-        return password_verify($raw, $encoded);
+        return !$this->isPasswordTooLong($raw) && password_verify($raw, $encoded);
     }
 }
diff --git a/Core/Encoder/BasePasswordEncoder.php b/Core/Encoder/BasePasswordEncoder.php
index c26c9ce..b83eb30 100644
--- a/Core/Encoder/BasePasswordEncoder.php
+++ b/Core/Encoder/BasePasswordEncoder.php
@@ -20,6 +20,8 @@ use Symfony\Component\Security\Core\Util\StringUtils;
  */
 abstract class BasePasswordEncoder implements PasswordEncoderInterface
 {
+    const MAX_PASSWORD_LENGTH = 4096;
+
     /**
      * Demerges a merge password and salt string.
      *
@@ -83,4 +85,14 @@ abstract class BasePasswordEncoder implements PasswordEncoderInterface
     {
         return StringUtils::equals($password1, $password2);
     }
+
+    /**
+     * Checks if the password is too long.
+     *
+     * @return Boolean true if the password is too long, false otherwise
+     */
+    protected function isPasswordTooLong($password)
+    {
+        return strlen($password) > self::MAX_PASSWORD_LENGTH;
+    }
 }
diff --git a/Core/Encoder/MessageDigestPasswordEncoder.php b/Core/Encoder/MessageDigestPasswordEncoder.php
index a8bd553..a7e5546 100644
--- a/Core/Encoder/MessageDigestPasswordEncoder.php
+++ b/Core/Encoder/MessageDigestPasswordEncoder.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Security\Core\Encoder;
 
+use Symfony\Component\Security\Core\Exception\BadCredentialsException;
+
 /**
  * MessageDigestPasswordEncoder uses a message digest algorithm.
  *
@@ -41,6 +43,10 @@ class MessageDigestPasswordEncoder extends BasePasswordEncoder
      */
     public function encodePassword($raw, $salt)
     {
+        if ($this->isPasswordTooLong($raw)) {
+            throw new BadCredentialsException('Invalid password.');
+        }
+
         if (!in_array($this->algorithm, hash_algos(), true)) {
             throw new \LogicException(sprintf('The algorithm "%s" is not supported.', $this->algorithm));
         }
@@ -61,6 +67,6 @@ class MessageDigestPasswordEncoder extends BasePasswordEncoder
      */
     public function isPasswordValid($encoded, $raw, $salt)
     {
-        return $this->comparePasswords($encoded, $this->encodePassword($raw, $salt));
+        return !$this->isPasswordTooLong($raw) && $this->comparePasswords($encoded, $this->encodePassword($raw, $salt));
     }
 }
diff --git a/Core/Encoder/Pbkdf2PasswordEncoder.php b/Core/Encoder/Pbkdf2PasswordEncoder.php
index 4f37ba3..8a5a958 100644
--- a/Core/Encoder/Pbkdf2PasswordEncoder.php
+++ b/Core/Encoder/Pbkdf2PasswordEncoder.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Security\Core\Encoder;
 
+use Symfony\Component\Security\Core\Exception\BadCredentialsException;
+
 /**
  * Pbkdf2PasswordEncoder uses the PBKDF2 (Password-Based Key Derivation Function 2).
  *
@@ -54,6 +56,10 @@ class Pbkdf2PasswordEncoder extends BasePasswordEncoder
      */
     public function encodePassword($raw, $salt)
     {
+        if ($this->isPasswordTooLong($raw)) {
+            throw new BadCredentialsException('Invalid password.');
+        }
+
         if (!in_array($this->algorithm, hash_algos(), true)) {
             throw new \LogicException(sprintf('The algorithm "%s" is not supported.', $this->algorithm));
         }
@@ -72,7 +78,7 @@ class Pbkdf2PasswordEncoder extends BasePasswordEncoder
      */
     public function isPasswordValid($encoded, $raw, $salt)
     {
-        return $this->comparePasswords($encoded, $this->encodePassword($raw, $salt));
+        return !$this->isPasswordTooLong($raw) && $this->comparePasswords($encoded, $this->encodePassword($raw, $salt));
     }
 
     private function hashPbkdf2($algorithm, $password, $salt, $iterations, $length = 0)
diff --git a/Core/Encoder/PlaintextPasswordEncoder.php b/Core/Encoder/PlaintextPasswordEncoder.php
index c21f3cd..22f3da4 100644
--- a/Core/Encoder/PlaintextPasswordEncoder.php
+++ b/Core/Encoder/PlaintextPasswordEncoder.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Security\Core\Encoder;
 
+use Symfony\Component\Security\Core\Exception\BadCredentialsException;
+
 /**
  * PlaintextPasswordEncoder does not do any encoding.
  *
@@ -35,6 +37,10 @@ class PlaintextPasswordEncoder extends BasePasswordEncoder
      */
     public function encodePassword($raw, $salt)
     {
+        if ($this->isPasswordTooLong($raw)) {
+            throw new BadCredentialsException('Invalid password.');
+        }
+
         return $this->mergePasswordAndSalt($raw, $salt);
     }
 
@@ -43,6 +49,10 @@ class PlaintextPasswordEncoder extends BasePasswordEncoder
      */
     public function isPasswordValid($encoded, $raw, $salt)
     {
+        if ($this->isPasswordTooLong($raw)) {
+            return false;
+        }
+
         $pass2 = $this->mergePasswordAndSalt($raw, $salt);
 
         if (!$this->ignorePasswordCase) {