unset $Version, $Path, and $Domain cookie keys, to prevent Disallowed Key Characters from halting app execution on environments which improperly set these as keys

1 files changed, 8 insertions, 0 deletions

diff --git a/system/libraries/Input.php b/system/libraries/Input.php
index 853b06d7a..f840c433c 100644
--- a/system/libraries/Input.php
+++ b/system/libraries/Input.php
@@ -140,6 +140,14 @@ class CI_Input {
 		$_POST = $this->_clean_input_data($_POST);

 		

 		// Clean $_COOKIE Data

+		// Also get rid of specially treated cookies that might be set by a server

+		// or silly application, that are of no use to a CI application anyway

+		// but that when present will trip our 'Disallowed Key Characters' alarm

+		// http://www.ietf.org/rfc/rfc2109.txt

+		// note that the key names below are single quoted strings, and are not PHP variables

+		unset($_COOKIE['$Version']);

+		unset($_COOKIE['$Path']);

+		unset($_COOKIE['$Domain'])

 		$_COOKIE = $this->_clean_input_data($_COOKIE);

 

 		log_message('debug', "Global POST and COOKIE data sanitized");