Possible reentrancy during redemption/swap

Lines of code Vulnerability details Impact Redeemers might charge more collaterals during redemption/swap by the reentrancy attack. Proof of Concept Redeemers can redeem the agToken for collaterals in Redeemer contract and redeem burns the agToken and transfers the collaterals. function redeem...

The merkle tree might be revoked again after being used to claim rewards.

Lines of code Vulnerability details Impact The merkle tree might be revoked again after being used to claim rewards. Proof of Concept The governor can revoke the merkle tree using revokeTree. function revokeTree external onlyGovernorOrGuardian if disputer != address0 revert UnresolvedDispute;...

Reentrancy Vulnerability: The contract inherits from the ReentrancyGuard contract, which smay be vulnerable to reentrancy attacks if not properly handled in the contract's logic.

Lines of code Vulnerability details Impact The impact of the reentrancy vulnerability in the incrementGaugeWeight function can be summarized as follows: Loss of Funds: Attackers can drain funds from the contract or manipulate balances. Unexpected State Changes: Manipulation of variables can lead ...

_createDepositSingle() call bridgeOut missing normalizeDecimals

Lines of code Vulnerability details Impact Wrong decimal place conversion, resulting in wrong quantity Proof of Concept in createDepositSingle will call IPortlocalPortAddress.bridgeOut The parameter deposit is not converted to 18 decimal createDepositSingle function createDepositSingle address...

MALICIOUS USER CAN CALL THE FlywheelBribeRewards.setRewardsDepot() FUNCTION INDEFINITELY TO PUSH ethereum INTO STATE BLOAT

Lines of code Vulnerability details Impact The FlywheelBribeRewards.setRewardsDepot function is an external permissionless function. Any malicious user can create as many ERC20 compatible contracts as possible and can call this function to set themselves as strategies in the...

Behaviour of Distributor when user appears in multiple merkle trees

Lines of code Vulnerability details Impact To avoid that a user can claim the same amount multiple times, the following code is used: uint256 toSend = amount - claimedusertoken.amount; However, the Distributor contract supports updating the merkle tree via updateTree. But because the claimed...

In LybraStETHVault.sol (LybraEUSDVaultBase.sol) a user could rigid redeem an amount more than their deposited collateral when the collateral ratio of the user goes below 100% even if they have been super-liquidated.

Lines of code Vulnerability details Impact If the collateral ratio of a user goes below 100%, the user would be able to redeem all of their eUSD for a collateral amount greater than their depositedAssetuser even after they have been super-liquidated. For eg, let us say we have a user X. Now, in...

Canto pool could be drained.

Lines of code Vulnerability details Impact It was written that there a limit for 10 USDC /10 USDT /0.01 ETH, which currently equals to 10 USDT/ 10 USDC/ 18 USDT almost. These limits are for 4 Canto. Which means code accepts the Canto price at max: 2,5 USDC or equavalent. It is also written in the...

Users potentially cannot have Canto token swapped automatically when bridging assets to the Canto Network

Lines of code Vulnerability details Impact If the field AutoSwapThreshold is set to zero value, the logic that compares standardCoinBalance to the autoSwapThreshold always evaluates to false so there isn't any swap operation from bridged asset to Canto token for users. Therefore, the purpose of t...

TimeoutTimeStamp and TimeoutHeight fields are not properly validated

Lines of code Vulnerability details Impact The absence of proper validation for TimeoutTimeStamp and TimeoutHeight fields before processing an onboarding request can lead to significant disruption and potential security risks. This might allow an attacker to send an IBC Inter-Blockchain...

LlamaExecutor#execute is not payable

Lines of code Vulnerability details Impact Since the execute function in LlamaExecutor.sol is not payable, nor the contract has the ability to receive ether, any action that requires sending ETH will eventually fail. Proof of Concept Tools Used Manual review Recommended Mitigation Steps One of th...

Clone LlamaCore and LlamaPolicy in LlamaFactory.sol may fail or DOS

Lines of code Vulnerability details Impact LlamaFactory uses Clones.cloneDeterministic to create new LlamaCore and LlamaPolicy contracts. The address of the new PrivatePool depends solely on the name parameter keccak256abi.encodePackedname provided by the administrator when calling the deploy...

Centralization risk for trusted owners

Lines of code Vulnerability details Description: Contracts have owners that have privileged rights to perform admin tasks. These owners need to be trusted to not perform malicious updates or drain funds. Having a single Externally Owned Account EOA as the sole owner represents a significant...

Problem with Day values

Lines of code Vulnerability details Impact Detailed description of the impact of this finding. In solidity, block.timestamp makes use of seconds in calculating time but in the highlighted codes, the stated period and their comments was miscalculated. 7200 was referred to as 24 hours and was used...

Lender can front-run calls to auctionBuyNft() to DoS auctions

Lines of code Vulnerability details Lender can front-run calls to auctionBuyNft to DoS auctions Lenders can DoS auction offers by resetting the auction process. Impact The Particle protocol allows lenders to auction their loans in case any interested party wants to repay the NFT of the loan. The...

Upgraded Q -> 2 from #11 [1685528541946]

Judge has assessed an item in Issue 11 as 2 risk. The relevant finding follows: L-01 DOS: Users can't call accept if others called rageQuit within the same block. --- The text was updated successfully, but these errors were encountered: All reactions...

Rage quitting availability cannot be reliably guaranteed

Lines of code Vulnerability details Impact The host can block specific rage quits, invalidating some of the security offered by the rage quit functionality. Proof of Concept Rage quitting is only allowed before rageQuitTimestamp or if permanently enabled: // Check if ragequit is allowed. uint40...

Rage quitter loses his claimable share of distributed tokens

Lines of code Vulnerability details Impact Rage quitter loses his claimable share of distributed tokens. Proof of Concept PartyGovernanceNFT.rageQuit burns a governance NFT and transfers its share of the balance of ETH and tokens: // Burn caller's party card. This will revert if caller is not the...

Rage quit modifications should be limited to provide stronger guarantees to party members

Lines of code Vulnerability details Rage quit modifications should be limited to provide stronger guarantees to party members Party hosts can arbitrarily change the rage quit settings overriding any existing preset. Impact Rage quit is implemented in the PartyGovernanceNFT contract by using a...

Inflation attack by drip

Lines of code Vulnerability details Impact The drip might inflate the exchange rate on an initial stake such that that subsequent stakers get minted zero wxETH. Their stake can then be unstaked by the first staker, together with their own first stake and inflation investment. Effectively, the fir...

Virgin stake can claim all drops

Lines of code Vulnerability details Impact If wxETH drips when nothing is staked, then the first staker can claim every drop. Proof of Concept Suppose drip is enabled when totalSupply == 0. At least one block passes and the first staker stakes, just 1 xETH is enough. This mints her 1 wxETH. This...

Incorrect decimal handling in _startAuction, resulting in wrong auction.startBidBps

Lines of code Vulnerability details Shortfall.startAuction uses the oracle price of the underlying tokens to price the pool bad debt: Shortfall.sol 389: for uint256 i; i the price returned by priceOracle.getUnderlyingPrice has a number of decimals equal to 36 - vToken decimals. This means the...

An expired parameter is required because there may be slippage in the calculation.

Lines of code Vulnerability details Impact Due to changes in interest rates, failure to process transactions in a timely manner may result in missing out on ideal rewards. Proof of Concept The calculation of the clainRewards function involves interest rates, which are variable. If...

Mitigation of M-11: Issue NOT mitigated

Mitigated issue M-11: Residual ETH unreachable and unuitilized in SafEth.sol The issue was that the rounding losses from partitioning msg.value in stake and rebalanceToWeights was left irretrievably in the contract. Mitigation review Previously rebalanceToWeights withdrew all staked funds and...

Mitigation of M-07: Issue not mitigated

MITIGATION IS NOT CONFIRMED MITIGATION IS NOT CONFIRMED Mitigation of M-07: Issue not mitigated Link to Issue: code-423n4/2023-03-asymmetry-findings765 Comments While the principal issue for M-07 described a de-peg scenario, which eventually was interpreted as a "black swan" event, I do think the...

Upgraded Q -> 3 from #344 [1683218670048]

Judge has assessed an item in Issue 344 as 3 risk. The relevant finding follows: To ensure that there is no overflow when converting uint256 to uint128,and the totalNetInputAmount can be extracted so that it does not need to be calculated again later virtualBaseTokenReserves +=...

HexUtils.hexStringToBytes32 does not exclude the last index in str

Lines of code Vulnerability details Impact The HexUtils.hexStringToBytes32 intends to exclude the lastIdx index in the input str. See the @param comment for lastIdx parameter: / @dev Attempts to parse bytes32 from a hex string @param str The string to parse @param idx The offset to start parsing ...

Invalid addresses will be accepted as resolvers, possibly bricking assets

Lines of code Vulnerability details Description The hexToAddress utility parses a string into an address type. function hexToAddress bytes memory str, uint256 idx, uint256 lastIdx internal pure returns address, bool if lastIdx - idx 40 return address0x0, false; bytes32 r, bool valid =...

Upgraded Q -> 2 from #463 [1682585731493]

Judge has assessed an item in Issue 463 as 2 risk. The relevant finding follows: L-08 Swapping in Reth.sol may be sub-optimal The Reth pool uses the Weth/Reth 0.05% fee pool to swap between weth and reth. I recommend using the balancer pool to swap instead as it has 80M liquidity compared to...

Test manage-findings update with new cors

Lines of code Vulnerability details Impact Detailed description of the impact of this finding. Proof of Concept Provide direct links to all referenced code in GitHub. Add screenshots, logs, or any other relevant proof that illustrates the concept. Tools Used Recommended Mitigation Steps --- The...

No check for minPrice and maxPrice in the deposit() function

Lines of code Vulnerability details Impact No check for minPrice and maxPrice in the deposit function could lead to unexpected consequences Proof of Concept In the function deposit function deposit address payable privatePool, address nft, uint256 calldata tokenIds, uint256 minPrice, uint256...

InitialETHCrowdfund + ReraiseETHCrowdfund: Gatekeeper checks wrong address

Lines of code Vulnerability details Impact This vulnerability exists in both the InitialETHCrowdfund and ReraiseETHCrowdfund contracts in exactly the same way. I will continue this report by explaining the issue in only one contract. The mitigation section however contains the fix for both...

Upgraded Q -> 2 from #44 [1680620528235]

Judge has assessed an item in Issue 44 as 2 risk. The relevant finding follows: Low 1 RescueTokens doesn't have checks for fee0 & fee1 tokens. Admin might accidentally withdraw fee tokens that are supposed to be for the stakers: --- The text was updated successfully, but these errors were...

Award is still distributed when there aren't any stakers, allowing users to get reward without staking

Lines of code Vulnerability details Proof of Concept Consider the update modifier for the amplifier. modifier update if mostRecentValueCalcTime == 0 mostRecentValueCalcTime = firstStakeTime; uint256 totalCurrentStake = totalStake; if totalCurrentStake 0 && mostRecentValueCalcTime endTime uint256...

An attacker can lower the price of another depositor() by frontrunning

Lines of code Vulnerability details Impact Detailed description of the impact of this finding. The deposit function will bump bond price back by 5% after purchase based on current delta. However, this function can be executed unlimited number of times in the same block and as a result, one can...

Zero value used for sqrtPriceLimitX96

Lines of code Vulnerability details Impact In swapExactInputSingleHop in Reth.sol the sqrtPriceLimitX96 parameter is set to 0 which is useful for testing but can lead to price manipulation attacks. From the uniswap docs: In production, this value can be used to set the limit for the price the swa...

Upgraded Q -> 3 from #74 [1679875886032]

Judge has assessed an item in Issue 74 as 3 risk. The relevant finding follows: Exchange Rate can be manipulated if positions are big enough for a long enough time --- The text was updated successfully, but these errors were encountered: All reactions...

Upgraded Q -> 2 from #773 [1679568911031]

Judge has assessed an item in Issue 773 as 2 risk. The relevant finding follows: LACK OF SLIPPAGE PROTECTIONS FOR EOA IN FUNCTIONS LIKE ReaperVaultERC4626.deposit, ReaperVaultERC4626.mint, ReaperVaultERC4626.withdraw, AND ReaperVaultERC4626.redeem --- The text was updated successfully, but these...

sybil attack vulnerability (via Shitcoin)

Lines of code Vulnerability details Impact Attacker can create worthless shitcoin/NFT to mint PFP and as much as possible. Thereby acquiring outrageous and undeserved amount of PFP . Hence attacker is well positioned for further sybil attack/ farming. This is unhealthy to the contract and its...

[Medium - 1] Ecrecover precompile doesn't behave the same as the one from Ethereum

Lines of code Vulnerability details Impact According to the Ethereum yellow paper and in the specifications of the ecrecover precompile, it is stated that if the ecrecover doesn't return anything denoted by ∅, then the return should be 0 as well. If we take a look at the current ecrecover...

Reentrancy in staking function exit

Lines of code Vulnerability details Impact The user on calling exit calls the updateReward function twice. Proof of Concept First entry is in function withdraw burn Calling the Hook beforeTokenTransfer Which in turn calls updateReward Second Entry getReward call updateReward directly Tools Used...

Multiplier must be capped to prevent expected payout exceeding ticket price

Lines of code Vulnerability details Impact Expected payout may be greater than ticket price, bankrupting the lottery. Proof of Concept ticketsSold determines the multiplier to be used when calculating non jackpot rewards LotteryMath.solL84: bonusMulti += excessPot EXCESSBONUSALLOCATION /...

Owner unable to withdraw the amount since depositDeadline values already expired

Lines of code Vulnerability details Impact The stakermsg.sender lose his amount permanently once depositDeadline is over Proof of Concept DEPOSIT : function deposituint256 amount external override onlyOwner // slither-disable-next-line timestamp if block.timestamp depositDeadline revert...

Validator/miner can set Block timestamp to a draw scheduled date and buy winning ticket if drawCoolDownPeriod is set to zero

Lines of code Vulnerability details Impact Validators/Miners would always be able to get the Jackpot prize, compromising the protocol. Proof of Concept The following foundry test illustrates this behaviour. Essentially, if the cooldown period time before a draw during which it is not possible to...

Upgraded Q -> 2 from #17 [1678363178694]

Judge has assessed an item in Issue 17 as 2 risk. The relevant finding follows: 5. Duplicated swingTrader addresses can be added which make sellMalt/buyMalt working incorrectly Details In function addSwingTrader, there is no check to ensure swingTrader address is not existed. So admin can make a...

Users would lose some shares during withdrawal in ReaperVaultV2._withdraw().

Lines of code Vulnerability details Impact ReaperVaultV2.withdraw burns 100% of shares even if the vault balance is less than the required underlying amount. As a result, users would lose some shares during withdrawal. Proof of Concept Users can receive underlying tokens by burning their shares...

ActivePool.sol – Re-entrancy risk on _rebalance function

Lines of code Vulnerability details The rebalance function is vulnerable to a reentrancy attack. Specifically, an external callee can take over the control flow of the function by calling back into the ActivePool contract via a method that triggers the rebalance function again before it completes...

Using _freefunds() to calculate share price lead to shares miscalculations and could benefit treasury

Lines of code Vulnerability details Impact Function freeFunds calculates the amount of free funds available after profit locking and it's used to for calculating share price, issuing shares during deposit, or burning shares during withdrawal. Value returned by freeFunds is time-dependant, because...

closeTrove never nulls trove.stake

Lines of code Vulnerability details // Auditor's note: not 100% sure if this is intentional, but I have reason to believe it's a mistake. Description When a trove gets liquidated, its stake gets set to 0 through removeStake, called eg here. However, when a trove gets closed gratiously through...

Upgraded Q -> 2 from #633 [1677880427560]

Judge has assessed an item in Issue 633 as 2 risk. The relevant finding follows: Vault contract implementation does not disable initializers The Vault.sol contract should implement disableInitializers in its constructure to prevent implementation contracts from being initialized. As this contract...