Submission Details
Severity:
Lack Access Control repay callable by anyone
Summary
repay is a public function that can be called by anyone
Vulnerability Details
function repay(IERC20 token, uint256 amount) public {
if (!s_currentlyFlashLoaning[token]) {
revert ThunderLoan__NotCurrentlyFlashLoaning();
}
AssetToken assetToken = s_tokenToAssetToken[IERC20(token)];
token.safeTransferFrom(msg.sender, address(assetToken), amount);
}
Can repay any chosen token to msg.sender
Impact
repay can be used to steal any amount of underlying tokens from the protocol
Tools Used
Manual Analysis
Recommendations
Make the function onlyOwner or relevant access control
Or remove the function as it seems for current working of protocol its not needed
Rewards breakdown
nSLOC
387This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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