Update lostpass.php

reduce info leakage on password reset tokens

diff --git a/mod/lostpass.php b/mod/lostpass.php
index 8a1a9f3..211477b 100644 (file)
--- a/mod/lostpass.php
+++ b/mod/lostpass.php
@@ -44,7 +44,7 @@ function lostpass_post(App $a)
        $pwdreset_token = Strings::getRandomHex(32);
 
        $fields = [
-               'pwdreset' => $pwdreset_token,
+               'pwdreset' => hash('sha256', $pwdreset_token),
                'pwdreset_time' => DateTimeFormat::utcNow()
        ];
        $result = DBA::update('user', $fields, ['uid' => $user['uid']]);
@@ -95,7 +95,7 @@ function lostpass_content(App $a)
        if ($a->argc > 1) {
                $pwdreset_token = $a->argv[1];
 
-               $user = DBA::selectFirst('user', ['uid', 'username', 'nickname', 'email', 'pwdreset_time', 'language'], ['pwdreset' => $pwdreset_token]);
+               $user = DBA::selectFirst('user', ['uid', 'username', 'nickname', 'email', 'pwdreset_time', 'language'], ['pwdreset' => hash('sha256', $pwdreset_token)]);
                if (!DBA::isResult($user)) {
                        notice(DI::l10n()->t("Request could not be verified. \x28You may have previously submitted it.\x29 Password reset failed."));