diff options
| -rw-r--r-- | program/include/rcmail.php | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/program/include/rcmail.php b/program/include/rcmail.php index e76b1420a..d376e98bf 100644 --- a/program/include/rcmail.php +++ b/program/include/rcmail.php @@ -1203,8 +1203,14 @@ class rcmail if (function_exists('mcrypt_module_open') && ($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_CBC, ""))) { - $iv = substr($cipher, 0, mcrypt_enc_get_iv_size($td)); - $cipher = substr($cipher, mcrypt_enc_get_iv_size($td)); + $iv_size = mcrypt_enc_get_iv_size($td); + $iv = substr($cipher, 0, $iv_size); + + // session corruption? (#1485970) + if (strlen($iv) < $iv_size) + return ''; + + $cipher = substr($cipher, $iv_size); mcrypt_generic_init($td, $this->config->get_crypto_key($key), $iv); $clear = mdecrypt_generic($td, $cipher); mcrypt_generic_deinit($td); |