20706 matches found
withdrawAllAndUnwrap() the clpToken transfer to AMO.sol may be locked in the contract
Lines of code Vulnerability details Impact in withdrawAllAndUnwrap the clpToken transfer to AMO.sol may be locked in the contract Proof of Concept withdrawAllAndUnwrap You can specify sendToOperator==true to transfer the clpToken to operator The code is as follows: function withdrawAllAndUnwrap...
Wrong WhitePaperInterestRateModel block per year calculations incur losses for users and the protocol
Lines of code Vulnerability details Vulnerability Details Blocks per year calculations in WhitePaperInterestRateModel improperly assume 15 seconds block time, while on Binance Smart Chain it’s 3 seconds. This has grave consequences, because it is used in calculating borrower’s interest rate and...
Loans can be rolled an unlimited number of times
Lines of code Vulnerability details Impact Loans can be rolled an unlimited number of times, without letting the lender decide if has been done too many times already Proof of Concept It will cause the totalBorrow of the contract to increase infinitely, affecting the exchangeRate. Tools Used manu...
When borrowRateMantissa is higher than the limit value, VToken contract will be DOS
Lines of code Vulnerability details Impact File: VToken.sol 678 function accrueInterest public virtual override returns uint256 --skip-- 695 uint256 borrowRateMantissa = interestRateModel.getBorrowRatecashPrior, borrowsPrior, reservesPrior; 696 requireborrowRateMantissa borrowRateMaxMantissa. Thi...
CVE-2023-32784
In KeePass 2.x before 2.54, it is possible to recover the cleartext master password from a memory dump, even when a workspace is locked or no longer running. The memory dump can be a KeePass process dump, swap file pagefile.sys, hibernation file hiberfil.sys, or RAM dump of the entire system. The...
Rebalance amounts should be checked so that updated balances falls within thresholds
Lines of code Vulnerability details Rebalance amounts should be checked so that updated balances falls within thresholds Rebalance operations are allowed when the current percentage of xETH in the Curve pool is outside the defined thresholds. However, there is no check to ensure that the amount o...
Wrong use of the deadline for the swapExactTokensForTokens function
Lines of code Vulnerability details Impact deadline: Unix timestamp after which the transaction will revert. uniswap api docs. Venus sets the deadline to block.timestamp, then the transaction will never revert. Proof of Concept Transactions may be blocked resulting in transactions using unintende...
User can bypass _ensureMaxLoops check
Lines of code Vulnerability details Impact The user can bypass ensureMaxLoops check in Comptroller.sol to add in accountAssets all possible markets through borrow functions of VToken.sol. Proof of Concept The user adds max number of markets through enterMarkets. Then user can add another markets...
mint and burn can be attacked by sandwiches
Lines of code Vulnerability details Impact The rewards of mint and burn are calculated based on the ratio of uTokenincluding debt and vToken, so it can be sandwiched by attackers. Proof of Concept Tools Used manual Recommended Mitigation Steps It is recommended to add the minimum receiving quanti...
totalBorrows inflates faster than the sum of each position's debt
Lines of code Vulnerability details Impact File: VToken.sol 678 function accrueInterest public virtual override returns uint256 --skip-- 710 Exp memory simpleInterestFactor = mulExp mantissa: borrowRateMantissa , blockDelta; 711 uint256 interestAccumulated = mulScalarTruncatesimpleInterestFactor,...
preBorrowHook and preRepayHook can call updateRewardTokenBorrowIndex with old borrowIndex
Lines of code Vulnerability details Impact Under normal circumstances, the user calls VToken.borrow, further calls accrueInterest to update borrowIndex, and then calls preBorrowHook to trigger updateRewardTokenBorrowIndex. But since preBorrowHook is an externl function, an attacker can directly...
Comptroller.sol#_getHypotheticalLiquiditySnapshot assumes that all UnderlyingTokens have the same precision
Lines of code Vulnerability details Impact File: Comptroller.sol 1316 // Get the normalized price of the asset 1317 Exp memory oraclePrice = Exp mantissa: safeGetUnderlyingPriceasset ; 1318 1319 // Pre-compute conversion factors from vTokens - usd 1320 Exp memory vTokenPrice = mulExp mantissa:...
CVE-2023-32784
In KeePass 2.x before 2.54, it is possible to recover the cleartext master password from a memory dump, even when a workspace is locked or no longer running. The memory dump can be a KeePass process dump, swap file pagefile.sys, hibernation file hiberfil.sys, or RAM dump of the entire system. The...
Potential Division by Zero in utilizationRate method
Lines of code Vulnerability details Impact In the case where cash + borrows - reserves equals 0, the function would try to divide by zero which will result in a runtime error. Proof of Concept An attacker might manipulate the state of the contract to where cash + borrows - reserves equals zero...
Bad debt bidders’ funds are locked forever when Shortfall address is changed during ongoing debt auction
Lines of code Vulnerability details Vulnerability Details When the protocol accrues bad debt, it can be auctioned off to anyone who is willing to pay. Each user wanting to participate in the auction has to lock their bid in Shortfall contract: function placeBidaddress comptroller, uint256 bidBps...
Comptroller.sol#healAccount did not call updateRewardTokenBorrowIndex to update the reward
Lines of code Vulnerability details Impact healAccount should call updateRewardTokenBorrowIndex to calculate the reward before affecting the debt value. Proof of Concept Tools Used manual Recommended Mitigation Steps call updateRewardTokenBorrowIndex before heal account. Assessed type Other --- T...
A user asset cannot be seized if the supplied market's collateral to seize(vTokenCollateral)is different than the pool(seizerContract) where the liquidateBorrow function is called.
Lines of code Vulnerability details Impact A user asset cannot be seized if the supplied market's collateral to seizevTokenCollateralis different than the poolseizerContract where the liquidateBorrow function is called. Proof of Concept A user asset cannot be seized if the supplied market's...
Malicious actor can win auction unfavorably to the protocol by block stuffing
Lines of code Vulnerability details Vulnerability Details When protocol’s bad debt is auctioned off with 10% incentive at the beginning. A user who gives the best bid, wins. The auction ends when at least one account placed a bid, and current block number is bigger than nextBidderBlockLimit:...
sculpturegarden.ch Cross Site Scripting vulnerability OBB-3335194
Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...
