Submission Details
Severity:
Prevent division by 0
Summary
On several locations in the code precautions are not being taken for not dividing by 0, this will revert the code.
Vulnerability Details
These functions can be called with 0 value in the input, this value is not checked for being bigger than 0, that means in some scenarios this can potentially trigger a division by zero.
Code Snippet
File: Lender.sol
265: uint256 fees = (debt * borrowerFee) / 10000;
561: uint256 govFee = (borrowerFee * loan.collateral) / 10000;
650: uint256 fee = (borrowerFee * (debt - debtToPay)) / 10000;
725: fees = (lenderFee * interest) / 10000;
Impact
In certain cases, this could lead to a division by zero.
Tools Used
Manual
Recommendations
Recommend making sure division by 0 won’t occur by checking the variables beforehand and handling this edge case.
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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