fail0verflow have continued their series of articles about PS4 hardware attacks titled 'PS4 Aux Hax', I covered part 1-3 in a previous story. This time they explore a stack buffer overflow bug in the HDMI encoder firmware when HDMI-CEC is enabled, accessed via I2C, IRQ lines while disabling HDMI encoder power switch access from syscon.
https://www.eurasia.nu/modules.php?name=News&file=article&sid=3718 Tor Onion URL: http://wrqgfbrcgttkp6pi.onion/modules.php?name=News&file=article&sid=3718