A harmless challenge for your D^3 tour.
Exp: cat /flag (^_^).
Hint: There is a little vulnerability that can complete information leak. This is very helpful for the progress of some teams.
Hint: The builtin
Print()function accept multi args, what could this mean? or you can just readhttps://github.com/tianocore/edk2to find some directions.
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The environment of the attachment is not exactly the same as the game environment.
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If you have questions about the challenge, please ask the author.
English：writeup en-US
Players who have doubts about the solution of this challenge welcome issue me!