Editing Vulnerabilities
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==== Jak X: Combat Racing ==== | ==== Jak X: Combat Racing ==== | ||
===== Custom code injection via patch.bin file ===== | ===== Custom code injection via patch.bin file ===== | ||
The game savedata contains a file named patch.bin whose aim is to be loaded at address 0x00C00000 then executed. There is no protection except a CRC32 checksum (with 0xEDB88320 polynomial) and a sort of obfuscated (yet to be understood) format for the patch data. | The game savedata contains a file named patch.bin whose aim is to be loaded at address 0x00C00000 then executed. There is no protection except a CRC32 checksum (with 0xEDB88320 polynomial) and a sort of obfuscated (yet to be understood) format for the patch data. | ||
The patch.bin file must contain a little-endian header of 16 bytes followed by patch data of arbitrary size. | The patch.bin file must contain a little-endian header of 16 bytes followed by patch data of arbitrary size. | ||
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</source> | </source> | ||
===== | ===== Infinite loop or corruption after game saving ===== | ||
There is a bug with the autosave feature | There is a bug with the autosave feature that corrupts save data on memory card. It was fixed in the Platinum (Greatest Hits) version of the game. | ||
https://gamefaqs.gamespot.com/boards/927166-jak-x-combat-racing/41999721 | https://gamefaqs.gamespot.com/boards/927166-jak-x-combat-racing/41999721 | ||
There is a bug, at least in PCSX2, where when starting the game for the first time and creating a new profile, the game freezes on the memory card saving screen after saving data. The save data is however well written and on next tries the game can be played as the save is correctly loaded. The same bug can be triggered by going to the Profile settings and selecting "Save game". After saving, the game freezes as it enters an infinite loop (at $pc address 0x81FC0 on PAL). CelesteBlue's hypothesis on the cause is that during the game initialization, the game open files from the memory card (for example patch.bin at address 0x00100884 on PAL), but closes the fd only if some condition are met, which by default are not as the patch.bin file is invalid. | |||
There is a bug, at least in PCSX2, where when starting the game for the first time and creating a new profile, the game freezes on the memory card saving screen after saving data. The save data is however well written and on next tries the game can be played as the save is correctly loaded. | |||
The same bug can be triggered by going to the Profile settings and selecting "Save game". After saving, the game freezes as it enters an infinite loop ( | |||
https://github.com/PCSX2/pcsx2/issues/6935 | https://github.com/PCSX2/pcsx2/issues/6935 | ||
===== Strings overflow ===== | ===== Strings overflow ===== | ||
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==== All FIFA games ==== | ==== All FIFA games ==== | ||
FIFA06, FIFA08, FIFA Street 2 are vulnerable on Nintendo DS. See [https://github.com/CTurt/Dara DARA by CTurt]. | FIFA06, FIFA08, FIFA Street 2 are vulnerable on Nintendo DS. See [https://github.com/CTurt/Dara|DARA by CTurt]. | ||
Moreover, a lot of Electronics Arts games are vulnerable on PSP. | Moreover, a lot of Electronics Arts games are vulnerable on PSP. |