Submission Details
Severity:
DoS attack via player registration
Summary
It isn't really a DoS but an attacker could prevent legitimate players from registering by filling up the player slots with multiple addresses.
Vulnerability Details
The approvePlayer function in ThePredicter.sol has a limit of 30 players, 14 that Ivan and his friends do not know. Someone could fill these 14 slots and prevent other players from joining.
Tools Used
Manual code review
Recommendations
Implement KYC for these 14 slots.
Rewards breakdown
nSLOC
191This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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