![]() ![]() ![]() PS4 10.50 Support for Mast1c0re confirmed So far the most “user friendly” use cases for this vulnerability have been emulators, and PS2 Game ISOs. 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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