Harden HMAC verification. props duck_. [28053] for 3.7.

git-svn-id: https://develop.svn.wordpress.org/branches/3.7@28055 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Nacin 2014-04-08 18:07:28 +00:00
parent 781e7ac168
commit c5c7691c85

View File

@ -546,7 +546,7 @@ function wp_validate_auth_cookie($cookie = '', $scheme = '') {
$key = wp_hash($username . $pass_frag . '|' . $expiration, $scheme);
$hash = hash_hmac('md5', $username . '|' . $expiration, $key);
if ( $hmac != $hash ) {
if ( hash_hmac( 'md5', $hmac, $key ) !== hash_hmac( 'md5', $hash, $key ) ) {
do_action('auth_cookie_bad_hash', $cookie_elements);
return false;
}