Not calling approve(0) before setting a new approval might cause reverts when used with Tether (USDT)

Lines of code Vulnerability details Impact Some tokens do not implement the ERC20 standard properly but are still accepted by most code that accepts ERC20 tokens. For example Tether USDT's approve function will revert if the current approval is not zero, to protect against front-running changes o...

Approved Borrower can can walk away with collateral in leveraged borrowed Position

Lines of code Vulnerability details Impact When an approved borrower calls leveragedPosition , their userBorrowShares and userCollateralBalance values are updated. The borrow will be able to walk away with collateral balance by adding more collateral to pass the isSolvent check and remove all the...