10190 matches found
Unvalidated External Library Usage in RSASHA256Algorithm
Lines of code Vulnerability details Impact A hacker could exploit this vulnerability to inject malicious code into the contract, potentially allowing them to steal user funds or take control of the contract. Proof of Concept To demonstrate the attack vector, lets deploy a malicious version of the...
Timestamp manipulation affects DNSSEC records on contracts/dnssec-oracle/DNSSECImpl.sol
Lines of code Vulnerability details Impact timestamp parameter to validate DNSSEC records. The timestamp parameter is passed as an argument to the verifyRRSIG function, which is responsible for verifying that the DNSSEC record is valid at a specific point in time. If the timestamp parameter can b...
sFrxEth may revert on redeeming non-zero amount
Lines of code Vulnerability details Impact Unstaking is blocked. Proof of Concept When unstaking the withdraw of each derivative is called. SfrxEth.withdraw calls IsFrxEthSFRXETHADDRESS.redeemamount, addressthis, addressthis;. This function may revert if amount is low due to the following line in...
If random number is too low, the lottery not completely random
Summary Random numbers below a certain limit will always return at least one rightmost bit, while numbers above this limit will return random bits. Explanation: 1. The winning ticket is generated based on an array of numbers generated by module randomNumber to selectionMax-n.:...
StabilizerNode.stabilize() should update lastTracking as well to avoid an unnecessary incentive.
Lines of code Vulnerability details Impact StabilizerNode.stabilize should update lastTracking as well to avoid an unnecessary incentive. Current logic pays unnecessary incentives to track the pool. Proof of Concept trackPool pays an incentive per trackingBackoff in order to ensure pool...
Re-entrancy in MultiRewardStaking.claimRewards
Lines of code Vulnerability details Impact If an ERC-777 token is used as reward token for any Staking contract in the system, that reward token can be completely drained from the Staking contract. Proof of Concept Re-entrancy can be done in the MultiRewardStaking.claimRewards function because of...
ConduitController: Smart Contract Initial Owner Vulnerability
Lines of code Vulnerability details Bug Description The createConduit function in the ConduitController smart contract is responsible for deploying new conduits, or contracts that allow registered callers or open "channels" to transfer approved ERC20/721/1155 tokens on their behalf. The function...
EXTERNAL CALL TO UNTRUSTED PARTIES
Lines of code Vulnerability details Impact Functions in this contract or inherited functions can be reentered. Proof of Concept In Vault.sol the withdrawAVAX and redeemAVAX functions make an external call to the msg.sender by way of safeTransferETH. This allows the caller to reenter this and othe...
Collateral NFT deposited to a wrong address, when transferred directly to PaprController
Lines of code Vulnerability details Impact Users will lose collateral NFTs when they are transferred to PaprController by an approved address or an operator. Proof of Concept The PaprController allows users to deposit NFTs as collateral to borrow Papr tokens. One of the way of depositing is by...
Compounding is vulnerable to sandwich attack
Lines of code Vulnerability details Impact Function compound is called in every deposit/withdraw in AutoPxGmx contract. It claim rewards in form of gmxBaseReward and swap them to gmx token. They used amountOutMinimum from input params gmxAmountOut = SWAPROUTER.exactInputSingle...
xERC4626.sol#beforeWithdraw will fail under certain conditions
Lines of code Vulnerability details Impact Valid withdrawals will fail in certain edge cases Proof of Concept function totalAssets public view override returns uint256 // cache global vars uint256 storedTotalAssets = storedTotalAssets; uint192 lastRewardAmount = lastRewardAmount; uint32...
Chainlink oracle lacks proper validation
Lines of code Vulnerability details Impact Calls to the Chainlink price oracle via latestRoundData in FraxlendPairCore.sol use the correct function latestRoundData per Chainlink's documentation, but lack the recommended validations to ensure that the round is complete and does not return stale...
Sending batch withdrawal requests can possibly DoS
Lines of code Vulnerability details Impact The function BatchRequests.sendWithdrawalRequests allows calling the sendWithdrawalRequests function on all of the Yieldy contracts at once. However, due to the unbounded for loop, if many Yieldy contracts are added to contracts, this function can...
functions deposit() and notifyRewardAmount() in Bribe and Gauge contract don't consider deflationary tokens when transferring
Lines of code Vulnerability details Impact The actual amount that has been transferred can be different than requested amount in deflationary tokens and this is not been addressed in transferring logic in the code. This can cause wrong calculation and rewards distribution for users. Proof of...
Bribe Rewards Struck In Contract If Deposited During First Epoch
Lines of code Vulnerability details Vulnerability Details Bribe rewards added to the Bribe contract in the first epoch will not be claimable by any voters, and the rewards will struck in the Bribe contract. Proof-of-Concept Assume that the current epoch is epoch 0, and start date of epoch 0 is Da...
YieldManager: Uniswap token swaps through fixed path may break yield distribution
Lines of code Vulnerability details Details & Impact All harvested yield tokens are swapped through the Uniswap adapter to USDC. While out of scope, the Uniswap adapter code is relevant here, as I note that the path taken for the swap would be assetFrom - WETH - assetTo unless assetFrom is alread...
Risk of centralization
Lines of code Vulnerability details Medium Risk Risk of centralization Impact Diamond owner has too many roles on setting the functions, initiating payable functions. If the Owner account is compromised, the assets may be drained in this trustless system. Proof of Concept Tools Used Static testin...
[WP-H5] RewardDistributor.setBribeVault() can cause users who haven't claimed their native tokens yet can not claim the reward anymore
Lines of code Vulnerability details In the current implementation, RewardDistributor.claim is using if token != bribeVault token is from rewardsrewardIdentifier.token to detect whether it's a ERC20 token or native token ETH. However, this is not a trustworthy way to determine whether the reward i...
ConvexStakingWrapper does not update rewards state before transferring tokens
Handle kenzo Vulnerability details ConvexStakingWrapper saves data for reward calculation in dedicated variables for each user, such as reward.rewardintegralforaccount. These variables are not updated when transferring wrapped staked tokens. Please note that Convex's original ConvexStakingWrapper...
DOS pay function
Handle egjlmn1 Vulnerability details in the pay function users repay their debt and in line 364: it decreases their debt. lets say a user wants to repay all his debt, he calls the pay function with his full debt. an attacker can see it and frontrun to repay a single token for his debt since it's...
MATIC/AVAX and AVAX/MATIC pools
Handle 0x0x0x Vulnerability details The MATIC/AVAX and AVAX/MATIC pools are close to being undercollateralized. Don't fall for the high APR Psyops, always check the collateralization before lending into a pool, otherwise borrowers will default and you will loose your asset --- The text was update...
Basket can be fully drained if the auction is settled within a specific block
Handle Ruhum Vulnerability details Impact The settleAuction function allows someone to settle the auction by transferring funds in a way that the new pending index is fulfilled. As a reward, they are able to take out as many tokens as they want as long as the pending index is fulfilled after that...
.latestRoundData() does not update the oracle - ExchangeRate.sol
Handle tensors Vulnerability details Impact The method .latestRoundData on an oracle returns the latest updated price from the oracle, but this is not the current price of an asset. To get an accurate current price you need to query it by calling the oracle and waiting for a callback to fulfill t...
PoolBase enables an easy withdrawal of funds
Handle walker Vulnerability details PoolBase enables an easy withdrawal of all funds severity: critical type: memory safety Description A memory safety bug in the pool base allows participants to trick the system into believing they're interacting with a pool's token. While in reality, they're...
Upgraded Q -> 2 from #341 [1705001382135]
Judge has assessed an item in Issue 341 as 2 risk. The relevant finding follows: L03: Auction parameters can be changed during an auction --- The text was updated successfully, but these errors were encountered: All reactions...
Frequent donations can cause DOS
Lines of code Vulnerability details Impact User's might be unable to withdraw pending rewards Proof of Concept If a donation is made before the checkpoint call in the same block, the checkpoint call will revert. This is done in order to prevent flash loans. function checkpoint external returns bo...
liquidatePosition() change LOAN_TERM may result in the borrower paying additional liquidation fees.
Lines of code Vulnerability details Vulnerability details Currently, there are three ways to close a position: 1. The borrower voluntarily closes it through closePosition. 2. If Premium is insufficient, it is forcibly closed by liquidatePosition. 3. After the loan expires, LP forcibly closes it b...
Zero amount token transfers may cause a denial of service during liquidations
Lines of code Vulnerability details Summary Some ERC20 implementations revert on zero value transfers. Since liquidation rewards are based on a fraction of the available position's premiums, this may cause an accidental denial of service that prevents the successful execution of liquidations...
lack of slippage protection for increaseLiquidity, and decreaseLiquidity
Lines of code Vulnerability details Impact Lack of slippage protection for increasing and decreasing liquidity can cause the liquidity provider to provide liquidity at an unfavorable price. Or the borrower to borrow/repay in a manipulated pool. Proof of Concept When adding liquidity eventually...
Using block.timestamp as the deadline/expiry invites MEV
Lines of code 307 Vulnerability details Passing block.timestamp as the expiry/deadline of an operation does not mean "require immediate execution" - it means "whatever block this transaction appears in, I'm comfortable with that block's timestamp". Providing this value means that a malicious mine...
Calls to get_virtual_price() are vulnerable to read-only reentrancy
Lines of code 117 Vulnerability details getvirtualprice was originally considered to be a manipulation-resistant price - suitable as a price oracle, but it was later found to be vulnerable to a read-only reentrancy attack, where the Curve contract could be put into a partially-modified state, and...
Upgraded Q -> 3 from #534 [1702060375162]
Judge has assessed an item in Issue 534 as 3 risk. The relevant finding follows: L-03 Consider use stETH/UDS oracle Issue Description: The sponsor has confirmed their choice of Chainlink as an oracle to fetch prices. Since all other LST price feeds are 18 decimal places, they will most likely use...
Ocean cannot _mintBatch() as onERC1155BatchRecieved() not implemeneted on the Ocean contract when batch transferring to itself
Lines of code Vulnerability details The comment @ Ocean L348 states: The Ocean never initiates ERC1155 Batch Transfers. This is untrue, note the following callstack: Ocean.doMultipleInteractions | Ocean.forwardedDoMultipleInteractions Ocean.doMultipleInteractions calls mintBatch @ L560...
Issue with Decimal Conversion in Shell Protocol
Lines of code Vulnerability details Impact The identified issue within the convertDecimals function in the Shell Protocol could lead to a loss of value due to decimal truncation during token conversions. This situation is particularly critical in the context of Shell Protocol's operations, which...
Interface improperly implemented
Lines of code 34, 34, 34, 34, 30, 31, 32, 34, 35, 38https://github.com/Tapioca-DAO/tapioca-yieldbox-strategies-audi...
D.O.S due to wrong scaling factor
Lines of code Vulnerability details Impact The cNote token which is a fork of the CToken contract has a scaling method used to handle the exchange rate between CToken and the underlying token. This method helps scale the exchange rate because solidity doesn't handle fixed-point decimals. The...
funds stuck in crowdfund
Lines of code Vulnerability details Vulnerability details: Details: in ETHCrowdfundBase the crowdfund deployer can choose to implement fee's that are given to a feeAdress with a certain percentage of the crowdfund ETH. the fee splitting is happening both in finalize: function finalizeuint96...
Vulnerability in Token Withdrawal Function
Lines of code Vulnerability details Impact Flawed logic in token withdrawal function allows for selective withdrawal of high-value tokens and fails in single-token scenarios. // Sum up total amount of each token to withdraw. uint256 memory withdrawAmounts = new uint256; IERC20 prevToken; for...
bad Actor can block the operation of mint by creating duplicate order by frunt runing original order
Lines of code Vulnerability details Impact bad Actor can block the operation of mint by creating duplicate order by frunt runing original order So basically the contracts are doing orders by users RFQ to system whether by API or front end. and make the mint process the problem is in the contract...
potential DOS cause of rounding up at rayMul and rayDiv
Lines of code Vulnerability details Impact In rayMul and rayDiv , there is always rounding up ,cause of that , there will be potential DOS Proof of Concept function normalizeAmount MarketState memory state, uint256 amount internal pure returns uint256 return amount.rayMulstate.scaleFactor; functi...
Compound charges are sent to GeVault, making them potentially vulnerable to theft
Lines of code Vulnerability details Impact In the previous version, the compound fee would be saved in the TokenisableRange before being deposited into LP, and would be deposited into LP after reaching 1%. After reconstruction, the fees are sent directly to GeVault for distribution through getTVL...
Attacker can extract value from pool by sandwiching herself at swapAll during close
Lines of code Vulnerability details Attacker can drain the lending pool by leveraging two facts: 1. swapAll allows 1% slippage 2. There is no Health Factor check after close. Alice and Bob are good friends, the steps are in one single tx: 1. Alice deposits 10000 USDT and borrows 7000$ worth of TR...
Improperly tracking asset reserve for WETH
Lines of code Vulnerability details Impact Function RdpxV2Corewithdraw lets delegate owners withdraw their unused WETH. However, withdrawn amount is not deducted from totalWethDelegated, which causes WETH asset reserve tracked improperly. The impacts could be: 1. Function sync gets reverted when...
Claiming prizes will be bricked if prize periods are not aligned with twab periods
Lines of code Vulnerability details Comments The previous implementation allowed a malicious user to keep updating their balances provided the previous observation fell within the same period. As such, if a draw ends part way through a period, the user would be able to manipulate their average...
Failed transfer with low level call could be overlooked
Lines of code Vulnerability details Impact In LendingLedger.sol and votingEscrow.sol, low level call made using the call, According to the Solidity docs, "The low-level functions call, delegatecall and staticcall return true as their first return value if the account called is non-existent, as pa...
The protocol uses IRouter01 from Uniswap, which should not be used anymore because of a bug found in the code
Lines of code Vulnerability details Impact The protocol implements Router01 from UniswapV2 to do any swaps of tokens in OptionsPositionManager.sol, but Router01 is deprecated and bugged and should not be used anymore. Proof of Concept As can be seen in the UniswapV2 documentation Router01 should...
initialize() function can manipulated by attacker
Lines of code Vulnerability details Impact initialize function in the FollowNFT.sol contract is external and everyone can call this function. comment in the code says: "This is called right after deployment by the LensHub, so we can skip the onlyHub check." But in this scenario, attacker can call...
User can manipulate totalRewardUnclaimed and steal pool incentives
Lines of code Vulnerability details Impact In the UniswapV3Staker.sol contract, a user can drain the incentives by repeatedly staking and unstaking. Proof of Concept During staking, the stakeToken... function checks that incentives is not zero this would later become insufficient but does not in...
The increaseTotalValidatorActiveCount in PermissionedPool incorrectly adds requiredValidators instead of validatorToDeposit
Lines of code Vulnerability details Impact When the Stader Stake Pools Manager calls stakeUserETHToBeacon chain, it does so calculating the requiredValidators that can be added to the pool. The function internally also uses the allocateValidatorsAndUpdaterOperatorId to compute each operator's...
Aunction DOS
Lines of code Vulnerability details Impact All auction functions are under a potential DOS or exploitability vulnerability A 2 day duration is added to the current block.number when creating a lot. This introduces a critical flaw, Adding 2 86400correct value of 2 days / 27200wrong value used in...