Submission Details
Severity:
Zero address check in registerCharity(), CharityRegistry.sol
Summary
In registerCharity() function there isn't any checks for zero address.
Vulnerability Details
function registerCharity(address charity) public {
registeredCharities[charity] = true;
}
Impact
If a user accidentally register address(0) it could cause unexpected behavior in the contract, and functions that relay on registeredCharities .
Tools Used
Manual Review
Recommendations
Add a
requirefor zero address.
function registerCharity(address charity) public {
require(charity != address(0), "Invalid address");
registeredCharities[charity] = true;
}
Rewards breakdown
nSLOC
67This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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