Submission Details
Severity:
Theft of funds by reentrancy
Summary
Reentrancy allows for excessive refunds that deplete the contract's assets
Vulnerability Details
The refund function returns the entranceFee to the player. However, by re-entrancy when transferring the money, the entranceFee can be claimed repeatedly.
Impact
Project loses all funding.
Tools Used
Manual
Recommendations
Utilize the nonReentrancy modifier. Update the state according to the check-effect interaction pattern before remitting.
Updates
Lead Judging Commences
Hamiltonite over 1 year ago
Submission Judgement Published Assigned finding tags:
reentrancy-in-refund
reentrancy in refund() function
Rewards breakdown
nSLOC
143This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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