Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Fix bug #68942 (Use after free vulnerability in unserialize() with DateTimeZone)
  Port for for bug #68552
  Fix bug #68942 (Use after free vulnerability in unserialize() with DateTimeZone)
  - BFN

Author: smalyshev

NEWS

@@ -32,12 +32,18 @@
     (Danack at basereality dot com)
   . Fixed bug #68925 (Mitigation for CVE-2015-0235 – GHOST: glibc gethostbyname
     buffer overflow). (Stas)
+  . Fixed bug #68942 (Use after free vulnerability in unserialize() with
+    DateTimeZone). (Stas)
   . Fixed Bug #67988 (htmlspecialchars() does not respect default_charset
     specified by ini_set) (Yasuo)
 
 - Dba:
   . Fixed bug #68711 (useless comparisons). (bugreports at internot dot info)
 
+- Enchant:
+  . Fixed bug #6855 (heap buffer overflow in enchant_broker_request_dict()).
+    (Antony)
+
 - JSON:
   . Fixed bug #50224 (json_encode() does not always encode a float as a float)
     by adding JSON_PRESERVE_ZERO_FRACTION. (Juan Basso)

ext/date/php_date.c

@@ -2807,12 +2807,9 @@ static int php_date_initialize_from_hash(php_date_obj **dateobj, HashTable *myht
 	timelib_tzinfo   *tzi;
 	php_timezone_obj *tzobj;
 
-	if (zend_hash_find(myht, "date", 5, (void**) &z_date) == SUCCESS) {
-		convert_to_string(*z_date);
-		if (zend_hash_find(myht, "timezone_type", 14, (void**) &z_timezone_type) == SUCCESS) {
-			convert_to_long(*z_timezone_type);
-			if (zend_hash_find(myht, "timezone", 9, (void**) &z_timezone) == SUCCESS) {
-				convert_to_string(*z_timezone);
+	if (zend_hash_find(myht, "date", 5, (void**) &z_date) == SUCCESS && Z_TYPE_PP(z_date) == IS_STRING) {
+		if (zend_hash_find(myht, "timezone_type", 14, (void**) &z_timezone_type) == SUCCESS && Z_TYPE_PP(z_timezone_type) == IS_LONG) {
+			if (zend_hash_find(myht, "timezone", 9, (void**) &z_timezone) == SUCCESS && Z_TYPE_PP(z_timezone) == IS_STRING) {
 
 				switch (Z_LVAL_PP(z_timezone_type)) {
 					case TIMELIB_ZONETYPE_OFFSET:
@@ -2827,7 +2824,6 @@ static int php_date_initialize_from_hash(php_date_obj **dateobj, HashTable *myht
 
 					case TIMELIB_ZONETYPE_ID: {
 						int ret;
-						convert_to_string(*z_timezone);
 
 						tzi = php_date_parse_tzfile(Z_STRVAL_PP(z_timezone), DATE_TIMEZONEDB TSRMLS_CC);
 
@@ -3744,9 +3740,8 @@ static int php_date_timezone_initialize_from_hash(zval **return_value, php_timez
 	zval            **z_timezone = NULL;
 	zval            **z_timezone_type = NULL;
 
-	if (zend_hash_find(myht, "timezone_type", 14, (void**) &z_timezone_type) == SUCCESS) {
+	if (zend_hash_find(myht, "timezone_type", 14, (void**) &z_timezone_type) == SUCCESS && Z_TYPE_PP(z_timezone_type) == IS_LONG) {
 		if (zend_hash_find(myht, "timezone", 9, (void**) &z_timezone) == SUCCESS) {
-			convert_to_long(*z_timezone_type);
 			if (SUCCESS == timezone_initialize(*tzobj, Z_STRVAL_PP(z_timezone) TSRMLS_CC)) {
 				return SUCCESS;
 			}
@@ -3771,7 +3766,9 @@ PHP_METHOD(DateTimeZone, __set_state)
 
 	php_date_instantiate(date_ce_timezone, return_value TSRMLS_CC);
 	tzobj = (php_timezone_obj *) zend_object_store_get_object(return_value TSRMLS_CC);
-	php_date_timezone_initialize_from_hash(&return_value, &tzobj, myht TSRMLS_CC);
+	if(php_date_timezone_initialize_from_hash(&return_value, &tzobj, myht TSRMLS_CC) != SUCCESS) {
+		php_error_docref(NULL, E_ERROR, "Timezone initialization failed");
+	}
 }
 /* }}} */
 
@@ -3787,7 +3784,9 @@ PHP_METHOD(DateTimeZone, __wakeup)
 
 	myht = Z_OBJPROP_P(object);
 
-	php_date_timezone_initialize_from_hash(&return_value, &tzobj, myht TSRMLS_CC);
+	if(php_date_timezone_initialize_from_hash(&return_value, &tzobj, myht TSRMLS_CC) != SUCCESS) {
+		php_error_docref(NULL, E_ERROR, "Timezone initialization failed");
+	}
 }
 /* }}} */
 

ext/date/tests/bug68942.phpt

@@ -0,0 +1,9 @@
+--TEST--
+Bug #68942 (Use after free vulnerability in unserialize() with DateTimeZone).
+--FILE--
+<?php
+$data = unserialize('a:2:{i:0;O:12:"DateTimeZone":2:{s:13:"timezone_type";a:2:{i:0;i:1;i:1;i:2;}s:8:"timezone";s:1:"A";}i:1;R:4;}');
+var_dump($data);
+?>
+--EXPECTF--
+Fatal error: DateTimeZone::__wakeup(): Timezone initialization failed in %s/bug68942.php on line %d

ext/date/tests/bug68942_2.phpt

@@ -0,0 +1,9 @@
+--TEST--
+Bug #68942 (Use after free vulnerability in unserialize() with DateTime).
+--FILE--
+<?php
+$data = unserialize('a:2:{i:0;O:8:"DateTime":3:{s:4:"date";s:26:"2000-01-01 00:00:00.000000";s:13:"timezone_type";a:2:{i:0;i:1;i:1;i:2;}s:8:"timezone";s:1:"A";}i:1;R:5;}');
+var_dump($data);
+?>
+--EXPECTF--
+Fatal error: Invalid serialization data for DateTime object in %s/bug68942_2.php on line %d

ext/enchant/enchant.c

@@ -550,13 +550,12 @@ PHP_FUNCTION(enchant_broker_request_dict)
 
 	d = enchant_broker_request_dict(pbroker->pbroker, (const char *)tag);
 	if (d) {
+		pos = pbroker->dictcnt++;
 		if (pbroker->dictcnt) {
 			pbroker->dict = (enchant_dict **)erealloc(pbroker->dict, sizeof(enchant_dict *) * pbroker->dictcnt);
-			pos = pbroker->dictcnt++;
 		} else {
 			pbroker->dict = (enchant_dict **)emalloc(sizeof(enchant_dict *));
 			pos = 0;
-			pbroker->dictcnt++;
 		}
 
 		dict = pbroker->dict[pos] = (enchant_dict *)emalloc(sizeof(enchant_dict));
@@ -607,14 +606,14 @@ PHP_FUNCTION(enchant_broker_request_pwl_dict)
 
 	d = enchant_broker_request_pwl_dict(pbroker->pbroker, (const char *)pwl);
 	if (d) {
+		pos = pbroker->dictcnt++;
 		if (pbroker->dictcnt) {
-			pos = pbroker->dictcnt++;
 			pbroker->dict = (enchant_dict **)erealloc(pbroker->dict, sizeof(enchant_dict *) * pbroker->dictcnt);
 		} else {
 			pbroker->dict = (enchant_dict **)emalloc(sizeof(enchant_dict *));
 			pos = 0;
-			pbroker->dictcnt++;
 		}
+
 		dict = pbroker->dict[pos] = (enchant_dict *)emalloc(sizeof(enchant_dict));
 		dict->id = pos;
 		dict->pbroker = pbroker;