Unrestricted ComptrollerInterface and InterestRateModel Contract Changes by Admin and "PendingAdmin" leading to Loss of Funds for Users

Lines of code Vulnerability details Impact / @notice Contract which oversees inter-cToken operations / ComptrollerInterface public comptroller; / @notice Model which tells what the current interest rate should be / InterestRateModel public interestRateModel; / @notice Administrator for this...

getSupplyRate returns rate per year instead of per block

Lines of code Vulnerability details Impact According to the documentation in InterestRateModel, getSupplyRate has to return the supply rate per block and the function supplyRatePerBlock in CToken directly returns the value of getSupplyRate. However, the rate per year is returned for NoteInterest...