1--TEST-- 2Bug #72663 (2): Don't allow references into failed unserialize 3--FILE-- 4<?php 5 6class obj implements Serializable { 7 public $data; 8 function serialize() { 9 return serialize($this->data); 10 } 11 function unserialize($data) { 12 $this->data = unserialize($data); 13 } 14} 15 16$inner = 'a:1:{i:0;O:9:"Exception":2:{s:7:"'."\0".'*'."\0".'file";R:4;}'; 17$exploit = 'a:2:{i:0;C:3:"obj":'.strlen($inner).':{'.$inner.'}i:1;R:4;}'; 18var_dump(unserialize($exploit)); 19 20?> 21--EXPECTF-- 22Notice: unserialize(): Unexpected end of serialized data in %s on line %d 23 24Notice: unserialize(): Error at offset 46 of 47 bytes in %s on line %d 25 26Notice: unserialize(): Error at offset 79 of 80 bytes in %s on line %d 27bool(false) 28