Index: t3lib/config_default.php
===================================================================
--- t3lib/config_default.php	(Revision 9982)
+++ t3lib/config_default.php	(Arbeitskopie)
@@ -499,6 +499,7 @@
 define('TYPO3_db_host', $typo_db_host);
 define('TYPO3_tables_script', $typo_db_tables_script);
 define('TYPO3_extTableDef_script', $typo_db_extTableDef_script);
+define('TYPO3_InstallToolPassword', $GLOBALS['TYPO3_CONF_VARS']['BE']['installToolPassword']);
 
 	// Defining backend system languages
 	// When adding new keys, remember to:
Index: t3lib/class.t3lib_befunc.php
===================================================================
--- t3lib/class.t3lib_befunc.php	(Revision 9982)
+++ t3lib/class.t3lib_befunc.php	(Arbeitskopie)
@@ -4461,7 +4461,7 @@
 			}
 
 				// Check if the Install Tool Password is still default: joh316
-			if ($GLOBALS['TYPO3_CONF_VARS']['BE']['installToolPassword'] == md5('joh316')) {
+			if (TYPO3_InstallToolPassword == md5('joh316')) {
 				$url = 'install/index.php?redirect_url=index.php' . urlencode('?TYPO3_INSTALL[type]=about');
 				$warnings["install_password"] = sprintf(
 					$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:warning.install_password'),
Index: typo3/sysext/reports/reports/status/class.tx_reports_reports_status_securitystatus.php
===================================================================
--- typo3/sysext/reports/reports/status/class.tx_reports_reports_status_securitystatus.php	(Revision 9982)
+++ typo3/sysext/reports/reports/status/class.tx_reports_reports_status_securitystatus.php	(Arbeitskopie)
@@ -214,7 +214,7 @@
 		$message  = '';
 		$severity = tx_reports_reports_status_Status::OK;
 
-		if ($GLOBALS['TYPO3_CONF_VARS']['BE']['installToolPassword'] == md5('joh316')) {
+		if (TYPO3_InstallToolPassword == md5('joh316')) {
 			$value    = $GLOBALS['LANG']->getLL('status_insecure');
 			$severity = tx_reports_reports_status_Status::ERROR;
 
Index: typo3/sysext/install/mod/class.tx_install.php
===================================================================
--- typo3/sysext/install/mod/class.tx_install.php	(Revision 9982)
+++ typo3/sysext/install/mod/class.tx_install.php	(Arbeitskopie)
@@ -269,7 +269,7 @@
 	function tx_install() {
 		parent::t3lib_install();
 
-		if (!$GLOBALS['TYPO3_CONF_VARS']['BE']['installToolPassword']) {
+		if (!defined('TYPO3_InstallToolPassword') || TYPO3_InstallToolPassword == '') {
 			$this->outputErrorAndExit('Install Tool deactivated.<br />You must enable it by setting a password in typo3conf/localconf.php. If you insert the line below, the password will be \'joh316\':<br /><br />\$TYPO3_CONF_VARS[\'BE\'][\'installToolPassword\'] = \'bacb98acf97e0b6112b1d1b650b84971\';', 'Fatal error');
 		}
 
@@ -408,7 +408,7 @@
 	function checkPassword() {
 		$p = t3lib_div::_GP('password');
 
-		if ($p && md5($p)==$GLOBALS['TYPO3_CONF_VARS']['BE']['installToolPassword']) {
+		if ($p && md5($p) == TYPO3_InstallToolPassword) {
 			$this->session->setAuthorized();
 
 				// Sending warning email
Index: typo3/sysext/install/mod/class.tx_install_session.php
===================================================================
--- typo3/sysext/install/mod/class.tx_install_session.php	(Revision 9982)
+++ typo3/sysext/install/mod/class.tx_install_session.php	(Arbeitskopie)
@@ -139,10 +139,7 @@
 	private function getSessionSavePath() {
 		return sprintf(
 			$this->typo3tempPath . '/' . $this->sessionPath,
-			md5(
-				'session:' .
-					$GLOBALS['TYPO3_CONF_VARS']['BE']['installToolPassword']
-			)
+			md5('session:' . TYPO3_InstallToolPassword)
 		);
 	}
 
@@ -212,7 +209,7 @@
 		if (!$sessionId) {
 			$sessionId = $this->getSessionId();
 		}
-		return md5($GLOBALS['TYPO3_CONF_VARS']['BE']['installToolPassword'].'|'.$sessionId);
+		return md5(TYPO3_InstallToolPassword . '|' . $sessionId);
 	}
 
 	/**