First Flight #20: The Predicter
First Flight #20
Submission Details
Severity: high
ValidReentracy Attack in `ThePredicter::cancelRegistration`, this function did not update `playersStatus[msg.sender]` before transfer `entranceFee` back to user, malicious user can steal all money from contract
Rewards breakdown
nSLOC
191This contest has a flat reward structure with the following payouts:
High
100 EXP
Medium
20 EXP
Low
2 EXP
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