Beginner FriendlyDeFiFoundry
100 EXP
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Submission Details
Severity: high
Valid

People can claim the airdrop multiple times

Summary

claim method on MerkleAirdrop.sol file has no control for already claimed airdrops. People can call it multiple times and get tokens many times.

Vulnerability Details

claim method on MerkleAirdrop.sol file has no control for already claimed airdrops. People can call it multiple times and get tokens many times.

Impact

Tokens get drained by smart people.

Tools Used

Recommendations

Control whether an account claimed before or not. If claimed, throw "Already Claimed" error.

Updates

Lead Judging Commences

patrickalphac Auditor
about 1 year ago
inallhonesty Lead Judge
about 1 year ago
inallhonesty Lead Judge about 1 year ago
Submission Judgement Published
Validated
Assigned finding tags:

multi-claim-airdrop

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