1 files changed, 29 insertions, 0 deletions
diff --git a/ext/spl/tests/bug70166.phpt b/ext/spl/tests/bug70166.phpt
new file mode 100644
index 0000000000..51a35965a5
--- /dev/null
+++ b/ext/spl/tests/bug70166.phpt
@@ -0,0 +1,29 @@
+--TEST--
+SPL: Bug #70166 Use After Free Vulnerability in unserialize() with SPLArrayObject
+--FILE--
+<?php
+$inner = 'x:i:1;a:0:{};m:a:0:{}';
+$exploit = 'a:2:{i:0;C:11:"ArrayObject":'.strlen($inner).':{'.$inner.'}i:1;R:5;}';
+
+$data = unserialize($exploit);
+
+for($i = 0; $i < 5; $i++) {
+    $v[$i] = 'hi'.$i;
+}
+
+var_dump($data);
+?>
+===DONE===
+--EXPECTF--
+array(2) {
+  [0]=>
+  object(ArrayObject)#%d (1) {
+    ["storage":"ArrayObject":private]=>
+    array(0) {
+    }
+  }
+  [1]=>
+  array(0) {
+  }
+}
+===DONE===