Submission Details
Severity:
Reentrancy when claiming rewards
Summary
Reentrancy when claiming rewards
Vulnerability Details
function claimSingleReward(uint256 _index) public {
require(_index <= rewardsOwned[msg.sender].length, "Invalid index");
uint256 value = rewardsOwned[msg.sender][_index].value;
require(value > 0, "No reward to claim");
(bool success,) = payable(msg.sender).call{value: value}(""); //@audit
require(success, "Transfer failed");
delete rewardsOwned[msg.sender][_index];
}
Impact
Steal funds
Tools Used
MR
Recommendations
Implement check effect interact pattern
Rewards breakdown
nSLOC
86This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
Live
The contest is live. Earn rewards by submitting a finding.
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