[benzinschleuder]

Probably all "slots" would be "occupied" and everybody gets the attacker's sent file, iiuc.

[0x0]

Or the attacker only needs to monitor the last free slot to see what shows up?

[benzinschleuder]

Seems to work both ways. Receive random file from unknown people or send chosen file to unknown people?

EDIT: was just explained in other comment by meejah, thanks! (https://news.ycombinator.com/item?id=14649727#14650551)