bug70168.phpt   [plain text]

--TEST--
SPL: Bug #70168 Use After Free Vulnerability in unserialize() with SplObjectStorage
--FILE--
<?php
$inner = 'x:i:1;O:8:"stdClass":0:{};m:a:0:{}';
$exploit = 'a:2:{i:0;C:16:"SplObjectStorage":'.strlen($inner).':{'.$inner.'}i:1;R:3;}';

$data = unserialize($exploit);

for($i = 0; $i < 5; $i++) {
    $v[$i] = 'hi'.$i;
}

var_dump($data);
?>
===DONE===
--EXPECTF--
array(2) {
  [0]=>
  object(SplObjectStorage)#%d (1) {
    ["storage":"SplObjectStorage":private]=>
    array(1) {
      ["%s"]=>
      array(2) {
        ["obj"]=>
        object(stdClass)#2 (0) {
        }
        ["inf"]=>
        NULL
      }
    }
  }
  [1]=>
  int(1)
}
===DONE===