Fraxlend is a lending platform that provides lending markets between a pair of assets. Each pair is an isolated market which allows anyone to lend and borrow tokens. Lenders deposit assets into the pair and receive yield-bearing fTokens. Last November we found a high severity vulnerability in the protocol that would allow an attacker to completely steal a deposit to an empty pool.BackgroundFrom a lender's perspective, the protocol functions as an ERC-4626 vault. They can deposit assets t...