Task 3 - rozwiązanie #43
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##Zadanie 1
W pierwszej części zadania wybrałam język Python i napisałam testy do klasy models zgodnie z treścią zadania.
##Zadanie 2
Po uruchomieniu aplikacji otrzymałam token dla użytkownika Bob:
Zauważyłam, że payload zawiera pola takie jak account, role, iat, aud.
Na podstawie tych danych przygotowałam sfałszowany token dla konta administratora. Atak polegał na:
W celu usunięcia podatności zmodyfikowałam kod aplikacji w pliku JWT/jwt-signature-apis-challanges/app.json. Z listy dozwolonych algorytmów w metodzie jwt.decode usunęłam opcję 'none', wymuszając stosowanie algorytmu HS256. Po przeładowaniu aplikacji poprawka zadziałała i nie udało się zalogować na konto administratora:
