CurveStableMetapoolCollateral.tryPrice returns a huge but valid high price when the price oracle of pairedToken is timeout

Lines of code Vulnerability details The CurveStableMetapoolCollateral is intended for 2-fiattoken stable metapools. The metapoolToken coin0 is pairedToken and the coin1 is lpToken, e.g. 3CRV. And the config.chainlinkFeed should be set for paired token. Impact The CurveStableMetapoolCollateral.pri...

Curve Metapool does not support rebasing token

Handle gzeon Vulnerability details Impact For interest baring token, Curve use another version of the contract with consideration of underlying asset. The metapool contracts does not support such behaviour. Proof of Concept Actually it is written in Curve's doc Token balances must not change...