diff options
Diffstat (limited to 'UPGRADING.INTERNALS')
| -rw-r--r-- | UPGRADING.INTERNALS | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS index e9d0adf554..8aa685fe44 100644 --- a/UPGRADING.INTERNALS +++ b/UPGRADING.INTERNALS @@ -12,6 +12,7 @@ UPGRADE NOTES - PHP X.Y g. leak_variable h. API Signature changes i. new TSRM function expand_filepath_with_mode + j. unserialization of manipulated object strings 2. Build system changes a. Unix build system changes @@ -189,6 +190,20 @@ it increments the refcounts of those objects instead. PHPAPI char *expand_filepath_with_mode(const char *filepath, char *real_path, const char *relative_to, size_t relative_to_len, int realpath_mode TSRMLS_DC); expand_filepath_with_mode lets define how realpath will behave, using one of the existing mode: CWD_EXPAND , CWD_FILEPATH or CWD_REALPATH. + j. + Strings requiring unserialization of objects are now explicitly checked + whether the object they contain implements the Serializable interface. + This solves the situation where manipulated strings could be passed for + objects using Serializable to disallow serialization. An object + implementing Serializable will always start with "C:" in the serialized + string, all other objects are represented with starting "O:". Objects + implementing Serializable to disable serialization using + zend_class_unserialize_deny and zend_class_serialize_deny, when + instantiated from the serializer with a manipulated "O:" string at the + start, will most likely be defectively initialized. This is now + fixed at the appropriate place by checking for the presence of the + serialize callback in the class entry. + ======================== 2. Build system changes ======================== |