Mismatch in withdraw() between Yearn and other protocols can prevent Users from redeeming zcTokens and permanently lock funds

Lines of code Vulnerability details Impact As defined in the docs for Euler, ERC4626, Compound and Aave, when withdrawing and depositing funds the amount specified corresponds excactly to how many of the underlying assets are deposited or withdrawn. However, as specified by Yearn, the yearn...

Markets Do Not Operate Correctly on Non-Standard Tokens

Handle leastwood Vulnerability details Impact There are a number of functions which interact with uToken in Swivel.sol but do not check the return value of the associated transfer, approve or transferFrom call. As a result, if a market is created using a non-standard token, a failed call will be...

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...

Swivel.sol transfer of tokens in initiateZcTokenFillingZcTokenExit and initiateVaultFillingVaultExit can fail without reverting causing account problems

Handle GalloDaSballo Vulnerability details Impact initiateZcTokenFillingZcTokenExit and initiateVaultFillingVaultExit in Swivel.sol are using transferFrom This function call can fail meaning the tokens are not transferred without causing a revert This would break the accounting in the protocol I...