Potential Stale Data Due to Inadequate Round Validation

Lines of code Vulnerability details Impact Even tough the dev is checking if the data is stale or not some valid prices could still be considered as invalid because of this line: answeredInRound == roundId, sometimes the answeredInRound might be greater than roundId and would still be valid but i...

Due to revert found during testing it would be wise to implement a rollback and re-whitelist should it be needed

Lines of code Vulnerability details Impact During testing with the Mainnet fork for the migration testing. We needed to make a distinction between V1 Profiles and V2 profiles within the test code, but this is not so in the standard V2 code, and may cause unforeseen issues after the upgrade. The V...

Missing Input Validation and Error Definition

Lines of code Vulnerability details Impact Missing Input Validation and Error Definition of globalSupplyIndex & globalBorrowIndex in L827-L844 & L865-L883 respectively of MultiRewardDistributor.sol could create complications as "sub" function of L844 & L883 would stop execution in cases of...

Overflow/underflow when creating the exchange rate Exp.

Lines of code Vulnerability details Impact Incorrect exchange rate values Proof of Concept the exchangeRateStoredInternal function is missing validation on the Exp mantissa size before creating the exchange rate Exp. This could lead to overflow. This would make the mantissa of exchangeRate equal ...

Divide before multiply

Lines of code Vulnerability details Impact Solidity's integer division truncates. Thus, performing division before multiplication can lead to precision loss. Proof of Concept Tools Used Recommended Mitigation Steps Consider ordering multiplication before division. Assessed type Math --- The text...

the TemporalGovernor.sol can be unpaused when it should still in the pause mood

Lines of code Vulnerability details Impact the TemporalGovernor implemented in a way that if the guardians pause the system then the system will be paused to period of time and the system will remove the guradians approve till the system reApprove them again and going to the unpause mood, the...

setDirectPrice is vulnerable to sandwich attack

Lines of code Vulnerability details Impact In ChainlinkOracle.sol we have setDirectPrice: function setDirectPriceaddress asset, uint256 price external onlyAdmin emit PricePostedasset, pricesasset, price, price; pricesasset = price; This function setDirectPrice allows the admin...

FollowNFT storage collision

Lines of code Vulnerability details Impact The lastFollowTokenId of FollowNFT contract has a storage collision. V2.0 storage layout: | lastFollowTokenId | uint128 | 17 | 0 | 16 | contracts/FollowNFT.sol:FollowNFT | | followerCount | uint128 | 17 | 16 | 16 | contracts/FollowNFT.sol:FollowNFT |...

Signature malleability not protected against

Lines of code Vulnerability details Impact A signature should never be included into a signed message hash to check if previously messages have been processed by the contract. See reference: Proof of Concept Provide direct links to all referenced code in GitHub. Add screenshots, logs, or any othe...

Users can burn follow token without unfollow

Lines of code Vulnerability details Impact Lack of access control in this function can lead to users burning their tokens without updating related mappings. For example in the FollowNFT.sol contract, burn function will call unfollowIfHasFollower function first, and then burn token. but even users...

Front-Running Vulnerability in LensHub.sol's commentWithSig and quoteWithSig Functions

Lines of code Vulnerability details Impact A vulnerability has been discovered in LensHub.sol's commentWithSig and quoteWithSig functions. This vulnerability potentially enables an attacker to disrupt users' actions by front-running transactions, resulting in undesirable modifications of comments...

Inability of Followers and Followees to Commenting

Lines of code Vulnerability details Impact The lack of functionality restricts interaction and engagement between the profile owner and their followers or the users they follow. This limitation diminishes the platform's value, as users who are interested in a post or have a genuine reason to...

Incorrect implementation of binary search in _find() in History.sol can make BaseVotingVault.sol break and cannot return correct staleIndex

Lines of code Vulnerability details Impact The binary search implemented in find in History.sol is incorrect and in some cases cannot return a correct stale index, and as a result some functions in baseVotingVault.sol can not work properly like queryVotePower. Although History.sol is not in scope...

setThreshold can bypass cool down period in setGSCAllowance

Lines of code Vulnerability details Impact setThreshold can bypass the cool down period in setGSCAllowance and decrease the gscAllowancetoken. Proof of Concept In setGSCAllowance, we add a cool-down period of 7 days for the admin to set a new allowance to gscAllowancetoken either increase or...

IF FEE ON TRANSFER TOKEN CONFIGURED AS THE VOTING TOKEN FOR THE VAULT, IT COULD INTRODUCE ACCOUNTING ERROR FOR VOTE COUNT

Lines of code Vulnerability details Impact The NFTBoostVault.lockTokens function is used to transfer the ERC20 voting token of the vault and the ERC1155 NFT to the NFTBoostVault contract after accounting for their respective votes. The issue here is that a fee-on-transfer token could get selected...

Front run attacks during the 7 day cooldown period in setGSCAllowance.

Lines of code Vulnerability details Impact A malicious miner can send a transaction from the GSC to drain the new allowance before the admin's transaction sets it. Proof of Concept The setGSCAllowance function sets a 7 day cooldown period between allowance changes for each token. This prevents th...

Batch function calls can use up all the gas and fail

Lines of code Vulnerability details Impact Every function call "targetsi.call" is going to store the response data in memory, although it is not stored in a variable. Storing the data requires gas and can use up all gas if the data is big enough. This risk increases exponentially since there is a...

Users' registration amounts and contract balance state will be incremented incorrectly if the NFTBoostVault::_lockTokens() silently fails

Lines of code Vulnerability details Users can add and lock tokens to the NFTBoostVault contract to increase their voting power using addTokens function. This function will increment the contract's balance state and the user's registration.amount. Then, it will sync the voting power according to t...

Upgraded Q -> 2 from #899 [1690501938379]

Judge has assessed an item in Issue 899 as 2 risk. The relevant finding follows: issue ! --- The text was updated successfully, but these errors were encountered: All reactions...

InterchainProposalExecutor will fail if any proposal requires value transfer, breaking core logic

Lines of code Vulnerability details Impact Proposals which are sent from a source chain using InterchainProposalSender to a destination chain to be executed using InterchainProposalExecutor are intended to support function calls that include transfers of ETH, or other native token. However, the...

Unauthorized Contract Upgrade Vulnerability in Upgradable Contract

Lines of code Vulnerability details In the "upgrade" function, the contract allows the owner to upgrade the contract to a new implementation using the provided address and code hash. However, there is a flaw in the implementation that can allow an attacker to bypass the contract upgrade checks an...

[H] Users can lose their funds if the transaction reverts on destination chain

Lines of code Vulnerability details Impact The transmitSendToken function in the contract facilitates cross-chain token transfers. For contracts involving ERC20 tokens it is also expected that, should a contract call fail, one's tokens are not lost/transferred elsewhere. However, the function doe...

balance of the recipient to is updated after the token transfer (safeTransferFrom function) could lead to reentrancy attack

Lines of code Vulnerability details Impact The balance of the recipient to is updated after the token transfer safeTransferFrom function. If the safeTransferFrom function triggers an external contract, and that contract, in turn, calls back to this contract, it can result in a reentrancy attack...

TokenManager.sendToken/callContractWithInterchainToken/transmitInterchainTransfer require re-entry protection

Lines of code Vulnerability details Impact Anyone can deploy a TokenManagerLockUnlock for the existing ERC20 via registerCanonicalToken, and deploy the corresponding token on a target chain via deployRemoteCanonicalToken. After the TokenManagers of the two chains are created, users can transfer...

Using controlled delegatecall could in calling _deployTokenManager.tokenManagerDeploy()

Lines of code Vulnerability details Impact The use of delegatecall in this context poses a security risk. When using delegatecall, the called contract's code is executed within the context of the calling contract. This means that the deployTokenManager function is executed as if it is part of the...

InterchainProposalExecutor doesn't support actions with value

Lines of code Vulnerability details Impact An interchain call consists of the target address, calldata, and value. When InterchainProposalExecutor performs the call, it passes the value along function executeProposalInterchainCalls.Call memory calls internal for uint256 i = 0; i calls.length; i++...

Guardian can brick SavingsVest contract accidentally

Lines of code Vulnerability details Impact The fix to M-06 introduces a new vulnerability, as it turns a missing validation that previously was recoverable i.e., only a minor thing into an irrecoverable error, resulting in a permanent loss of funds. Proof of Concept Consider the scenario where th...

initialize function can be front run

Lines of code Vulnerability details Impact Initialize function have the potential of front running by a malicious actor. An attacker can front-run the deployer and takeover the contract by setting itself as the owner in the Contract. Taking ownership will result in carrying out malicious acts tha...

Balance invariant between individual and total twabs can be broken

Lines of code Vulnerability details Impact An edge case in the TwabController.transferBalance can cause total balance for a vault account to decrease although it did not actually decrease. This will cause the sum of individual delegateBalances for a vault to be greater than the registered total f...

Two-step ownership transfer process in LSP0ERC725AccountCore can be bypassed

Lines of code Vulnerability details Bug Description To transfer ownership of the LSP0ERC725AccountCore contract, the owner has to call transferOwnership to nominate a pending owner. Afterwards, the pending owner must call acceptOwnership to become the new owner. When called by the owner,...

deposit function does not check for the maxMint amount.

Lines of code Vulnerability details Impact It is theoretically possible for the deposit amount to mint shares more than the maxMint amount Proof of Concept The deposit function has a check for maxDeposit and reverts if the deposit value is more than maxuint96. But, it does not check the shares to...

Same proposer can make duplicate proposals

Lines of code Vulnerability details Impact A proposer can continuously create new proposals, even if they are redundant or unnecessary. This can overload the system and make it difficult for other participants to navigate through legitimate proposals. Proof of Concept In the propose function, the...

Upgraded Q -> 2 from #727 [1689056893075]

Judge has assessed an item in Issue 727 as 2 risk. The relevant finding follows: ERC20 check success issue --- The text was updated successfully, but these errors were encountered: All reactions...

bad actore can increase gas usage in swapfrom function

Lines of code Vulnerability details Impact bad actor can increase gas in swapfrom function because everytime calling swapfrom function it store new unit and everytime runs the loop for length of it Proof of Concept the swapfrom function includes function setReservesIERC20 memory tokens, uint256...

cumulativeReserves can be incorrect

Lines of code Vulnerability details Impact Detailed description of the impact of this finding. Well updates the pump each time someone interacts with the well. update calculates the mev resistant values, one of which is the cumulativeReserves. If the update function is called twice or more times ...

Decimal is not correct in fee calculation

Lines of code Vulnerability details Impact The decimal doesn't match in the fee calculation, so this will break the fee calculation. Since fee calculation is very important in Mint/Burn actions, this problem can ruin the core functionality of transmuter. Proof of Concept This is the non-exact min...

ONLY THE LAST DISPUTE IS CONSIDERED UNRESOLVED IN THE Distributor CONTRACT

Lines of code Vulnerability details Impact The Distributor.disputeTree function is used to freeze the Merkle tree update until the dispute is resolved. This is done by setting the disputer state variable to msg.sender. disputeTree is an external function which can be called by anyone by providing...

Unsafe cast in getCollateralRatio()

Lines of code Vulnerability details Impact LibGetters.getCollateralRatio might return the incorrect ratio due to the unsafe cast. Proof of Concept getCollateralRatio outputs the collateral ratio using the total collaterals and issued agTokens. // The stablecoinsIssued value need to be rounded up...

Reentry restrictions are not properly released

Lines of code Vulnerability details Impact After LSP6KeyManagerCore.execute or LSP6KeyManagerCore.executeRelayCall is executed, non-isSetData methods that call these two methods without re-entry permission cannot be called normally Proof of Concept Tools Used manual review Recommended Mitigation...

RootBridgeAgent.redeemSettlement can be front-run using RootBridgeAgent.retrySettlement causing redeem DoS

Lines of code Vulnerability details Impact Since RootBridgeAgent.retrySettlement... can be called by anyone for any settlement, a malicious actor can front-run an user trying to redeem his failed settlement via RootBridgeAgent.redeemSettlement... by calling RootBridgeAgent.retrySettlement... with...

Missing require statements in onlyRole/checkRole modifiers

Lines of code Vulnerability details In LybraConfigurator.sol, there are two modifiers, checkOnlyRole and checkRole from GovernanceTimelock, designed to verify whether the msg.sender is authorized. However, these modifiers lack "require" statements to enforce the condition that the returned boolea...

Potential Unauthorized Flash Loan Execution and Share Burning due to Lack of Permission Checks

Lines of code Vulnerability details Impact The executeFlashloan function in the provided contract allows any user to execute a flash loan on behalf of another user without explicit permission. This could potentially lead to an unauthorized execution of flash loans and unexpected share burnings if...

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...

A Dutch trade could end up with an unintended lower closing price

Lines of code Vulnerability details Impact notTradingPausedOrFrozen that is turned on and off during an open Dutch trade could have the auction closed with a lower price depending on the timimg, leading to lesser capability to boost the Rtoken and/or stRSR exchange rates as well as a weakened...

There is no deadline for swaps

Lines of code Vulnerability details Impact If the receiver that is specified in the IBC callback doesn't have enough tokens for interacting with the Canto network defaults at 4 CANTO, then the middleware is going to swap the tokens for some CANTO tokens on the Canto network and convert the rest t...

tryCatchLimit can forward less than the specified gasLimit due to how CALL* opcode forward gas

Lines of code Vulnerability details Description To understand the issue I strongly recommend the lecture of this article. In particular, sections "Insufficient Gas Griefing Attack" and "Workaround Against “Insuficient Gas Griefing attack”". The problem relays on the fact that we cannot be sure th...

RToken.redeem should claim rewards before sending tokens to user

Lines of code Vulnerability details Impact RToken.redeem should claim rewards before sending tokens to user. Because after that he will not receive them anymore. Proof of Concept When user mints RToken, then he sends some tokens as collateral and they are stored by BackingManager. Some of...

In LlamaAccount.transferERC20(), Transaction revert if the Token does not support 0 value transfer

Lines of code Vulnerability details Impact In LlamaAccount.transferERC20, Transaction revert if the Token does not support 0 value transfer when transferring tokens to recipient address. In LlamaAccount.sol, transferERC20 function is given by, File: src/accounts/LlamaAccount.sol 165 function...

An attacker can steal funds from an Llama account by re-logging in.

Lines of code Vulnerability details Impact Funds are passed to LlamaAccount.execute and LlamaExecutor.execute using success, result = target.callvalue: msg.valuecallData However, there is no remedy for reentrancy. The target contract can steal funds from LlamaAccount when executed. Proof of Conce...

[ H ] In executeAction function, ETH can remain stuck after reverting due to a failed call.

Lines of code Vulnerability details Impact If and when the executeAction function reverts at either of the checks, the amount of ETH sent along with the call will be locked in the contract forever, with no current measures of recovery. Proof of Concept executeAction is called, but the call fails ...