--TEST-- Bug #72663: Create an Unexpected Object and Don't Invoke __wakeup() in Deserialization --FILE-- data); } function unserialize($data) { $this->data = unserialize($data); } } $inner = 'a:1:{i:0;O:9:"Exception":2:{s:7:"'."\0".'*'."\0".'file";s:0:"";}'; $exploit = 'a:2:{i:0;C:3:"obj":'.strlen($inner).':{'.$inner.'}i:1;R:4;}'; var_dump(unserialize($exploit)); ?> DONE --EXPECTF-- Deprecated: %s implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in %s on line %d Warning: unserialize(): Unexpected end of serialized data in %s on line %d Warning: unserialize(): Error at offset 49 of 50 bytes in %s on line %d Warning: unserialize(): Error at offset 82 of 83 bytes in %s on line %d bool(false) DONE