To run the exploit on your PS4 or PS5, you will need a legit copy of Okage Shadow King.You will need to get your own ROMs and add them to the iso with a tool such has CDGEN.Download the emulator pack “Retroarch PS2 v1.1” here.The developer has also added a video tutorial (in French, but you can use the auto translate feature on youtube) on how to pack PS2 emulators for the PS4/PS5 Mast1c0re exploit. Race (Neo Geo Pocket and Neo Geo Pocket Color).They join the existing list from last week: This pack adds emulators for the following consoles/games: In this 1.1 release, Markus95 has added support for zipped ROMs, but also the possibility to access the pause/quick menu by pressing the touchpad, which lets you change your emu settings for each core, resolution, framerate, etc… Again, keep in mind that the environment in which these are running is still glitchy and limited, so bugs may happen. Markus95 has released an update to his pack of emulators to run with Mast1c0re (download link below). Download Emulators for the Mast1C0re exploit In other words, you’re running retro emulators that were originally designed to run on a hacked PS2. Keep in mind that for now, emulators are actually limited to the constraints of the PS2 stack within the PS4 or PS5. So far the most “user friendly” use case for this vulnerability has been emulation. By loading specifically crafted save files into this game, it is possible to trigger an exploit chain on PS4/PS5 running the most recent firmwares, to then enable some (limited) homebrew capability. The currently only known exploitable game through this vulnerability is Okage: Shadow King, a PS2 game available for PS4 and PS5 on Sony’s PSN. Some specific PS2 games for PS4/PS5 are vulnerable to buffer overflows, which allows us to run unsigned code on the PS4 and PS5. The vulnerability was disclosed, and described with great detail, by PlayStation hacker CTurt in September last year, and a public reimplementation was released by McCaulay Hudson early 2023. Mast1c0re is an unpatched vulnerability on PS4 and PS5, running through their PS2 emulation layer.
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