DatingDapp
First Flight #33
Beginner FriendlyFoundrySolidityNFT
100 EXP
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Submission Details
Severity: low
Invalid

LikeRegistry: Zero Address Validation Missing

alekseyts

[High] LikeRegistry: Zero Address Validation Missing

Liked address can be zero address, potentially leading to locked funds. if user cannot find a match funds will be locked. it should not accept deposit if one of the params is incorrect.

Impact: Funds could be locked in the contract if zero address is used for liked.

Proof of Concept:

function likeUser(address liked) external payable {
// Missing zero address check
likes[msg.sender][liked] = true;
}

Recommended Mitigation: Add zero address check:

require(liked != address(0), "Cannot like zero address");
Updates

Appeal created

n0kto Lead Judge 7 months ago
Submission Judgement Published
Invalidated
Reason: Non-acceptable severity
Assigned finding tags:

Users mistake, only impacting themselves.

Please read the CodeHawks documentation to know which submissions are valid. If you disagree, provide a coded PoC and explain the real likelihood and the detailed impact on the mainnet without any supposition (if, it could, etc) to prove your point.

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