This attack has been known since at least 2011: https://www.usenix.org/legacy/event/hotsec11/tech/final_files/Cai.pdf?wptouch_preview_theme=enabled https://www.

This attack has been known since at least 2011: https://www.usenix.org/legacy/event/hotsec11/tech/final_files/Cai.pdf?wptouch_preview_theme=enabled https://www.usenix.org/legacy/event/hotsec11/tech/final_file...