Submission Details
Severity:
[Reentrancy Attack]: donate() vulnerable to this attack
Summary
donate() not following CEI model.
Vulnerability Details
Impact
Tools Used
Recommendations
use nonReentrant modifier ot prevent malicious reentrant attack as shown
function donate(address charity) public payable nonReentrant {
require(registry.isVerified(charity), "Charity not verified");
(bool sent, ) = charity.call{value: msg.value}("");
require(sent, "Failed to send Ether");
_mint(msg.sender, tokenCounter);
// Create metadata for the tokenURI
string memory uri = _createTokenURI(
msg.sender,
block.timestamp,
msg.value
);
_setTokenURI(tokenCounter, uri);
console.log("uri", uri);
tokenCounter += 1;
}
Rewards breakdown
nSLOC
67This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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