L2EthToken.sol balance[address(this)] COULD UNDERFLOW

Lines of code Vulnerability details Impact The ethereum balance of the L2EthToken.sol contract can underflow thus breaking the accounting of the protocol for L2-L1 fund transfers. Proof of Concept L2EthToken.sol contract has the withdraw function to transfer funds to L1 for withdrawal. In the...

exitZcTokenFillingZcTokenInitiate in Swivel.sol, token transfer may fail without function reverting

Handle GalloDaSballo Vulnerability details Impact exitZcTokenFillingZcTokenInitiate in Swivel.sol uses transferFrom this function can failmeaning tokens are not transferred,without causing a revert. This can break the accounting of the protocol The reason why this can happen is that certain ERC20...