More collateral is seized than approved

Lines of code Vulnerability details Impact More collateral is seized outside of the comptroller's approved liquidation amount which means excess seizeTokens are transferred from the borrower to the liquidator leading to loss of funds Proof of Concept liquidateBorrowFresh first checks the allowanc...

Adversary can abuse a quirk of compound redemption to manipulate the underlying exchange rate and maliciously disable cToken collaterals

Lines of code Vulnerability details Impact Adversary can maliciously disable cToken collateral to cause loss to rToken during restructuring Proof of Concept if referencePrice 0: / if redeemTokensIn 0 / We calculate the exchange rate and the amount of underlying to be redeemed: redeemTokens =...