Submitted by codexploder, also found by ACai, cccz, Critical, horsefacts, ignacio, shenwilly, unforgiven, and xiaoming90
A malicious maker can set a minimum order duration as 0 which means order will instantly expire after filling. Taker will get only the withdraw option and that too with fees on strike price, thus forcing the taker to lose money in this meaningless transaction
Enforce at least x days of duration.
outdoteth (Putty Finance) confirmed and resolved:
hyh (warden) reviewed mitigation:
