DSi system flaws

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boot1

Summary Description Successful exploitation result Fixed in boot0 version Discovered Discovered by
Poor System Menu TMD size check boot1 loads the System Menu's TMD for verification and loading, and it attempts to check the size. However, instead of checking if size > capacity, it checks if size > size, which is always false, resulting in a buffer overflow. Code execution under boot1 Unfixed August 2017 Nocash