Microsoft Edge Chakra JIT - Stack-to-Heap Copy (Incomplete Fix) Exploit

Exploit for windows platform in category dos / poc / Here's a snippet of JavascriptArray::BoxStackInstance. To fix issue 1420 , "deepCopy" was introduced. But it only deep-copies the array when "instance-head" is on the stack. So simply by adding a single line of code that allocates "head" to the...