Collateralization ratio manipulation can cause a denial of service

Lines of code Vulnerability details Impact Stablecoin redeeming and profit accruing in the SavingsVest contract can be blocked when the collateralization ratio has overflown. Proof of Concept The mitigation recommended in 31 and implemented by the sponsor in this commit doesn't resolve the root...

User can brick collateralization ratio calculation by donating a small amount

Lines of code Vulnerability details Impact The following code is used to calculate the collateralization ratio when stablecoinsIssued 0: collatRatio = uint64totalCollateralization.mulDivBASE9, stablecoinsIssued, Math.Rounding.Up; During normal operation, this should not overflow. However, when...

Users with bad collateralization ratio from either rebase/nonrebasevault can bypassliquidation

Lines of code Vulnerability details Impact users with an unsafe collateralization ratio who are supposed to be liquidated can manipulate the rigidRedemption feature to bypass the liquidation. From the code above its noted that being a rigidRedemption provider one can can put their collateral amou...

User with bad collateralization ratio less than 125 cent can bypass super liquidation

Lines of code Vulnerability details Impact Users with a bad collateralization ratio such as less than 1251e15 can bypass super liquidation by just getting liquidated normally with the help of malicious liquidators/keepers where they might lose at most only 50% of their deposited collateral instea...

Malicious lender can change price oracle for outstanding loan

Lines of code Vulnerability details The updateLoanParams function in NFTPairWithOracle.sol allows the lender to update parameters for an outstanding loan duration, valuation, annual interest, and collateralization ratio as long as they are the same or better for the borrower. These params are...