Submission Details
Severity:
Missing Access Control in `updateRegistry` function of `GivingThanks` Contract
Vulnerability Details
the updateRegistry function allows anyone to modify the registry address by simply calling the function. Without access control, this vulnerability enables unauthorized parties to replace the legitimate CharityRegistry address with an arbitrary one. This could allow an attacker to redirect funds, compromise interactions, or manipulate the protocol’s behavior.
Impact
Tools Used
Manual
Recommendations
function updateRegistry(address _registry) public {
require(msg.sender == owner);
registry = CharityRegistry(_registry);
}
Updates
Lead Judging Commences
n0kto 7 months ago
Submission Judgement Published Assigned finding tags:
finding-anyone-can-change-registry
Likelyhood: High, anyone can change it at anytime Impact: High, can bypass the verification process
Rewards breakdown
nSLOC
67This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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