Submission Details
Severity:
Unchecked transferFrom
Summary
Unchecked transferFrom in lines 64,94
Vulnerability Details
In the contract BridgeReth.sol , the return values of ERC20 transferFrom are not checked to be true, which could be false if the transferred tokens are not ERC20-compliant. In that case, the transfer fails without being noticed by the calling contract.
Tools Used
Manual
Recommendations
Use the SafeERC20 library implementation from Openzeppelin and call safeTransfer or safeTransferFrom when transferring ERC20 tokens.
Prize pool breakdown
Total prize
55,000 USDC
nSLOC
3,36516 USDC / LOC
50,000 USDC
5,000 USDC
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