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8bac60 |
From 29a4e710de6a73341da3d268343fdfc072ba682a Mon Sep 17 00:00:00 2001
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8bac60 |
From: Stanislav Malyshev <stas@php.net>
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8bac60 |
Date: Tue, 17 Feb 2015 06:53:27 +0100
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8bac60 |
Subject: [PATCH] Fix bug #68942 (Use after free vulnerability in unserialize()
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8bac60 |
with DateTimeZone)
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8bac60 |
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8bac60 |
---
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8bac60 |
NEWS | 2 ++
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ext/date/php_date.c | 21 ++++++++++-----------
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ext/date/tests/bug68942.phpt | 9 +++++++++
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ext/date/tests/bug68942_2.phpt | 9 +++++++++
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4 files changed, 30 insertions(+), 11 deletions(-)
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8bac60 |
create mode 100644 ext/date/tests/bug68942.phpt
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create mode 100644 ext/date/tests/bug68942_2.phpt
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diff --git a/ext/date/php_date.c b/ext/date/php_date.c
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index 58e23c0..909377b 100644
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--- a/ext/date/php_date.c
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+++ b/ext/date/php_date.c
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@@ -2779,12 +2779,9 @@ static int php_date_initialize_from_hash(php_date_obj **dateobj, HashTable *myht
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timelib_tzinfo *tzi;
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php_timezone_obj *tzobj;
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- if (zend_hash_find(myht, "date", 5, (void**) &z_date) == SUCCESS) {
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- convert_to_string(*z_date);
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- if (zend_hash_find(myht, "timezone_type", 14, (void**) &z_timezone_type) == SUCCESS) {
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- convert_to_long(*z_timezone_type);
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- if (zend_hash_find(myht, "timezone", 9, (void**) &z_timezone) == SUCCESS) {
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- convert_to_string(*z_timezone);
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+ if (zend_hash_find(myht, "date", 5, (void**) &z_date) == SUCCESS && Z_TYPE_PP(z_date) == IS_STRING) {
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+ if (zend_hash_find(myht, "timezone_type", 14, (void**) &z_timezone_type) == SUCCESS && Z_TYPE_PP(z_timezone_type) == IS_LONG) {
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+ if (zend_hash_find(myht, "timezone", 9, (void**) &z_timezone) == SUCCESS && Z_TYPE_PP(z_timezone) == IS_STRING) {
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switch (Z_LVAL_PP(z_timezone_type)) {
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case TIMELIB_ZONETYPE_OFFSET:
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@@ -2799,7 +2796,6 @@ static int php_date_initialize_from_hash(php_date_obj **dateobj, HashTable *myht
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case TIMELIB_ZONETYPE_ID: {
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int ret;
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- convert_to_string(*z_timezone);
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tzi = php_date_parse_tzfile(Z_STRVAL_PP(z_timezone), DATE_TIMEZONEDB TSRMLS_CC);
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@@ -3716,9 +3712,8 @@ static int php_date_timezone_initialize_from_hash(zval **return_value, php_timez
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zval **z_timezone = NULL;
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zval **z_timezone_type = NULL;
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- if (zend_hash_find(myht, "timezone_type", 14, (void**) &z_timezone_type) == SUCCESS) {
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+ if (zend_hash_find(myht, "timezone_type", 14, (void**) &z_timezone_type) == SUCCESS && Z_TYPE_PP(z_timezone_type) == IS_LONG) {
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if (zend_hash_find(myht, "timezone", 9, (void**) &z_timezone) == SUCCESS) {
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- convert_to_long(*z_timezone_type);
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if (SUCCESS == timezone_initialize(*tzobj, Z_STRVAL_PP(z_timezone) TSRMLS_CC)) {
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return SUCCESS;
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}
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@@ -3743,7 +3738,9 @@ PHP_METHOD(DateTimeZone, __set_state)
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php_date_instantiate(date_ce_timezone, return_value TSRMLS_CC);
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tzobj = (php_timezone_obj *) zend_object_store_get_object(return_value TSRMLS_CC);
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- php_date_timezone_initialize_from_hash(&return_value, &tzobj, myht TSRMLS_CC);
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+ if(php_date_timezone_initialize_from_hash(&return_value, &tzobj, myht TSRMLS_CC) != SUCCESS) {
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+ php_error_docref(NULL, E_ERROR, "Timezone initialization failed");
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+ }
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}
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/* }}} */
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@@ -3759,7 +3756,9 @@ PHP_METHOD(DateTimeZone, __wakeup)
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myht = Z_OBJPROP_P(object);
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- php_date_timezone_initialize_from_hash(&return_value, &tzobj, myht TSRMLS_CC);
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+ if(php_date_timezone_initialize_from_hash(&return_value, &tzobj, myht TSRMLS_CC) != SUCCESS) {
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+ php_error_docref(NULL, E_ERROR, "Timezone initialization failed");
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+ }
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}
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/* }}} */
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diff --git a/ext/date/tests/bug68942.phpt b/ext/date/tests/bug68942.phpt
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new file mode 100644
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index 0000000..595cd9f
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--- /dev/null
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+++ b/ext/date/tests/bug68942.phpt
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@@ -0,0 +1,9 @@
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+--TEST--
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+Bug #68942 (Use after free vulnerability in unserialize() with DateTimeZone).
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+--FILE--
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+
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+$data = unserialize('a:2:{i:0;O:12:"DateTimeZone":2:{s:13:"timezone_type";a:2:{i:0;i:1;i:1;i:2;}s:8:"timezone";s:1:"A";}i:1;R:4;}');
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+var_dump($data);
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+?>
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+--EXPECTF--
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+Fatal error: DateTimeZone::__wakeup(): Timezone initialization failed in %s/bug68942.php on line %d
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diff --git a/ext/date/tests/bug68942_2.phpt b/ext/date/tests/bug68942_2.phpt
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new file mode 100644
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index 0000000..5b02567
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--- /dev/null
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+++ b/ext/date/tests/bug68942_2.phpt
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@@ -0,0 +1,9 @@
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+--TEST--
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+Bug #68942 (Use after free vulnerability in unserialize() with DateTime).
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+--FILE--
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+
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+$data = unserialize('a:2:{i:0;O:8:"DateTime":3:{s:4:"date";s:26:"2000-01-01 00:00:00.000000";s:13:"timezone_type";a:2:{i:0;i:1;i:1;i:2;}s:8:"timezone";s:1:"A";}i:1;R:5;}');
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+var_dump($data);
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+?>
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+--EXPECTF--
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+Fatal error: Invalid serialization data for DateTime object in %s/bug68942_2.php on line %d
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From 213725057e0625829615f90f76cbb0172f757a33 Mon Sep 17 00:00:00 2001
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From: Stanislav Malyshev <stas@php.net>
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8bac60 |
Date: Tue, 17 Feb 2015 07:47:12 +0100
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Subject: [PATCH] fix TS build
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---
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ext/date/php_date.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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8bac60 |
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diff --git a/ext/date/php_date.c b/ext/date/php_date.c
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index 909377b..720cdb6 100644
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--- a/ext/date/php_date.c
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+++ b/ext/date/php_date.c
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@@ -3739,7 +3739,7 @@ PHP_METHOD(DateTimeZone, __set_state)
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php_date_instantiate(date_ce_timezone, return_value TSRMLS_CC);
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tzobj = (php_timezone_obj *) zend_object_store_get_object(return_value TSRMLS_CC);
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if(php_date_timezone_initialize_from_hash(&return_value, &tzobj, myht TSRMLS_CC) != SUCCESS) {
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- php_error_docref(NULL, E_ERROR, "Timezone initialization failed");
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+ php_error_docref(NULL TSRMLS_CC, E_ERROR, "Timezone initialization failed");
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}
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}
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/* }}} */
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@@ -3757,7 +3757,7 @@ PHP_METHOD(DateTimeZone, __wakeup)
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myht = Z_OBJPROP_P(object);
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if(php_date_timezone_initialize_from_hash(&return_value, &tzobj, myht TSRMLS_CC) != SUCCESS) {
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- php_error_docref(NULL, E_ERROR, "Timezone initialization failed");
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+ php_error_docref(NULL TSRMLS_CC, E_ERROR, "Timezone initialization failed");
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}
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}
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/* }}} */
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From e441d71baae89bdc5dc6f75407b4a8f5e42b8fa9 Mon Sep 17 00:00:00 2001
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From: Taoguang Chen <chtg@users.noreply.github.com>
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Date: Fri, 27 Feb 2015 10:41:53 +0800
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Subject: [PATCH] fix bug#68942's patch
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8bac60 |
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Fix type confusion bug in unserialize() with DateTimeZone. https://bugs.php.net/bug.php?id=68942
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---
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ext/date/php_date.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/ext/date/php_date.c b/ext/date/php_date.c
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index 720cdb6..81f6ae4 100644
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--- a/ext/date/php_date.c
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+++ b/ext/date/php_date.c
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@@ -3713,7 +3713,7 @@ static int php_date_timezone_initialize_from_hash(zval **return_value, php_timez
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zval **z_timezone_type = NULL;
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8bac60 |
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if (zend_hash_find(myht, "timezone_type", 14, (void**) &z_timezone_type) == SUCCESS && Z_TYPE_PP(z_timezone_type) == IS_LONG) {
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- if (zend_hash_find(myht, "timezone", 9, (void**) &z_timezone) == SUCCESS) {
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+ if (zend_hash_find(myht, "timezone", 9, (void**) &z_timezone) == SUCCESS && Z_TYPE_PP(z_timezone) == IS_STRING) {
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if (SUCCESS == timezone_initialize(*tzobj, Z_STRVAL_PP(z_timezone) TSRMLS_CC)) {
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return SUCCESS;
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}
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