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Code423n4
Code423n4
•added 2023/08/05 12:00 a.m.•25 views

Upgraded Q -> 2 from #180 [1691271324742]

Judge has assessed an item in Issue 180 as 2 risk. The relevant finding follows: L-04 Some slot data is incorrectly overwritten during storage --- The text was updated successfully, but these errors were encountered: All reactions...

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Code423n4
Code423n4
•added 2023/08/03 12:00 a.m.•25 views

CurveVolatileCollateral._underlyingRefPerTok() Possible manipulation

Lines of code Vulnerability details Impact curvePool.getvirtualprice May be manipulated to cause malicious entry DISABLED Proof of Concept CurveVolatileCollateral.underlyingRefPerTok return curvePool.getvirtualprice function underlyingRefPerTok internal view virtual override returns uint192 @...

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Code423n4
Code423n4
•added 2023/07/31 12:00 a.m.•25 views

the check for the roundId == answeredInRound should be set to >= in the ChainlinkCompositeOracle.sol#getPriceAndDecimals

Lines of code Vulnerability details Impact the function getPriceAndDecimals have check that it check if the round id is equal to the answer in round ID. this check should be change to = because some roundID may get the data/answers in the round that is more than the roundId and this case is...

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Code423n4
Code423n4
•added 2023/07/31 12:00 a.m.•25 views

safe32 WILL RESTRICT THE DURATION OF MultiRewardDistributor._addEmissionConfig FUNCTION USABILITY

Lines of code Vulnerability details Impact The MultiRewardDistributor.addEmissionConfig function is used to add a new emission configuration for a specific market. The addEmissionConfig function constructs the MarketConfig configuration struct using the input parameters to the function. The...

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Code423n4
Code423n4
•added 2023/07/28 12:00 a.m.•25 views

Unsafe downcast can lead to silent Overflow that causes accounting issues which can be exploited.

Lines of code Vulnerability details Impact In the ARCDVestingVault.sol, there are instances of Unsafe downcasting where if the amount is greater than uint128 the amount will Overflow but silently where the transaction won't revert causing the stored amount to be smaller than the actual amount tha...

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Code423n4
Code423n4
•added 2023/07/21 12:00 a.m.•25 views

AxelarGateway.sol: external setup funtion allow anyone to set governance_, mintLimiter_ and operator

Lines of code Vulnerability details Impact Anyone can call through the setup function and pass the params to set the mintlimiter, operator and governance. Proof of Concept As we can in above link, the setup function is called to set the mint limiter, operator and governance address. As per natsc...

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Code423n4
Code423n4
•added 2023/07/18 12:00 a.m.•27 views

Upgraded Q -> 2 from #422 [1689707351452]

Judge has assessed an item in Issue 422 as 2 risk. The relevant finding follows: 01 In the function PrizePool.setDrawManager, anyone can frontrun it and become the drawManager Reading the documentation of the Prize Pool contract, the following is specified: The Prize Pool allows a 'draw manager'...

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Code423n4
Code423n4
•added 2023/07/14 12:00 a.m.•25 views

user with ADDEXTENSIONS and CHANGEEXTENSIONS will remove extension unintentional

Lines of code Vulnerability details Summary Adding extension use 4 bytes function selector to add new extension, and if user with ADDEXTENSIONS permission also has CHANGEEXTENSIONS permission and wants to add new extension and there is an extension with that function selector, extension will be...

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Code423n4
Code423n4
•added 2023/07/13 12:00 a.m.•25 views

Proposal can executed even when it is in the "Queued" state.

Lines of code Vulnerability details Impact An attacker can bypass the intended governance process and directly execute proposals that are still in the voting or canceled state. This can result in unauthorized actions being performed on the smart contract, leading to loss of funds Proof of Concept...

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Code423n4
Code423n4
•added 2023/07/09 12:00 a.m.•25 views

Upgraded Q -> 2 from #198 [1688918565387]

Judge has assessed an item in Issue 198 as 2 risk. The relevant finding follows: QA1. UlyssesPool.maxRedeem needs to consider the protocol fees. --- The text was updated successfully, but these errors were encountered: All reactions...

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Code423n4
Code423n4
•added 2023/07/05 12:00 a.m.•25 views

Liquidity providers may lose funds when initialising a strategy

Lines of code Vulnerability details Summary Liquidity providers may lose funds when initialising a strategy Vulnerability Detail Liquidity providers may lose a portion of provided liquidity in either of the pair tokens when creating a new position. The init function on TalosBaseStrategy.sol does...

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Code423n4
Code423n4
•added 2023/07/05 12:00 a.m.•25 views

Reactivated gauges can’t queue up rewards

Lines of code Vulnerability details Impact Reactivated gauges can’t queue up rewards Proof of Concept Active gauges as set by authorised users get their rewards queued up in the FlywheelGaugeRewards.queueRewards function. As part of it, their associated struct QueuedRewards updates its storedCycl...

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Code423n4
Code423n4
•added 2023/07/05 12:00 a.m.•25 views

Potential Integer Underflow/Overflow: The code uses the SafeCastLib library for type conversions, but it does not handle potential underflow or overflow situations.

Lines of code Vulnerability details Impact The potential integer underflow/overflow vulnerability in the code can lead to incorrect calculations, unexpected behavior, and potential security issues. Proof of Concept In the provided code, there are a few areas where potential integer...

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Code423n4
Code423n4
•added 2023/06/23 12:00 a.m.•25 views

Pre-defined limit is different from the spec.

Lines of code Vulnerability details Impact In the spec, the pre-defined limit of ETH is 0.01 ETHs. But the actual limit in the code is not 0.01 ETH which could result in misleading. Proof of Concept In the spec, it said that the pre-defined limit of ETH is 0.01 ETHs For risk management purposes, ...

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Code423n4
Code423n4
•added 2023/06/23 12:00 a.m.•25 views

User with canto balance under the treshold will receive 4 canto for every transaction wich will be included in a block

Lines of code Vulnerability details Impact User, who decided to send several different tokens in the canto network at the same time and who has canto balance under the threshold, will receive 4 canto for every transaction which satisfies other onboarding conditions token type, tokens amount, in...

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Code423n4
Code423n4
•added 2023/06/16 12:00 a.m.•25 views

Upgraded Q -> 2 from #16 [1686928129422]

Judge has assessed an item in Issue 16 as 2 risk. The relevant finding follows: L-3 onlyOwner single point of failure Impact The onlyOwner role has a single point of failure and onlyOwner can use critical a few functions. Even if protocol admins/developers are not malicious there is still a chanc...

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Code423n4
Code423n4
•added 2023/06/14 12:00 a.m.•25 views

The low-level call returns true if the address does not exist

Lines of code Vulnerability details Impact As written in the Solidity documentation , the call, delegatecall and staticcall low-level functions return true as its first return value if the account being invoked does not exist, as part of the design of the EVM. The existence of the account must be...

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Code423n4
Code423n4
•added 2023/06/14 12:00 a.m.•25 views

Execution does not work if the action has a non-zero value

Lines of code Vulnerability details Llama instances have a separate LlamaExecutor contract for action execution. When calling LlamaCore.executeAction, the flow is the following for simplicity, we ignore action guards: The function does internal validation: checking the current action state is...

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Code423n4
Code423n4
•added 2023/06/14 12:00 a.m.•25 views

createAction() ,castApproval(), castDisapproval() functions vulnerable replay attacks

Lines of code Vulnerability details Impact /// @notice Mapping of policyholders to function selectors to current nonces for EIP-712 signatures. /// @dev This is used to prevent replay attacks by incrementing the nonce for each operation createAction, /// castApproval and castDisapproval signed by...

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Code423n4
Code423n4
•added 2023/06/14 12:00 a.m.•25 views

Executing a script action with non-zero value results in frozen funds

Lines of code Vulnerability details Llama instances have a separate LlamaExecutor contract for action execution. When calling LlamaCore.executeAction, the flow is the following for simplicity, we ignore action guards: The function does internal validation: checking the current action state is...

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Code423n4
Code423n4
•added 2023/06/13 12:00 a.m.•25 views

Signature malleability in createActionBySig allow an attacker to replicate an attack

Lines of code Vulnerability details Overview The createActionBySig is part of a family of functions that can be called by signature. This functionality is shared with castApprovalBySig and castDisapprovalBySig. However, the last two functions rely on the preCastAssertion function that revert on...

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Code423n4
Code423n4
•added 2023/06/09 12:00 a.m.•25 views

There is no check to see if eth was successfully sent from ValidatorWithdrawalVault to StaderStakePoolsManager.

Lines of code Vulnerability details Impact Eth may not complete successfully. As a result, the user will not receive their share from the validator. Tools Used Manual audit Recommended Mitigation Steps Add to StaderStakePoolManager.receiveWithdrawVaultUserShare function. ifmsg.value == 0 revert...

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Code423n4
Code423n4
•added 2023/06/09 12:00 a.m.•25 views

EVENT EMITTED WITHOUT ACTION

Lines of code Vulnerability details Impact A malicious validator can remain in the system after exceeding it's exit penalty threshold. This poses a risk to users and a possible reputation risk to the protocol. Proof of Concept In the updateTotalPenaltyAmount... function, when the validators...

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Code423n4
Code423n4
•added 2023/06/09 12:00 a.m.•25 views

Manager and DEFAULT_ADMIN_ROLE can create a scenario where user deposits more than he is permitted to withdraw

Lines of code Vulnerability details Impact manager and DEFAULTADMINROLE can update conflicting values as max deposit limit and max withdrawal limit, where maxDepositAmount is than maxWithdrawAmount. Users will be able to deposit more than they are permitted to withdraw. considering the extremes i...

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Code423n4
Code423n4
•added 2023/06/06 12:00 a.m.•27 views

Upgraded Q -> 2 from #23 [1686021624118]

Judge has assessed an item in Issue 23 as 2 risk. The relevant finding follows: rageQuit cannot transfer ERC1155 fungible tokens --- The text was updated successfully, but these errors were encountered: All reactions...

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Code423n4
Code423n4
•added 2023/06/04 12:00 a.m.•25 views

Attacker can frontrun user bid with wrong lotId and create the lot with that lotId, forcing the user to take a big loss

Lines of code Vulnerability details Impact User takes a huge loss by getting 1 SD token, but bidding an amount possibly much bigger. Attackers are incetivized to perform this if they are ETHx holders and want to increase the value of their tokens. Proof of Concept When a user adds a bid to the...

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Code423n4
Code423n4
•added 2023/06/02 12:00 a.m.•25 views

addCredit() DOS Attack

Lines of code Vulnerability details Impact DOS Attack Proof of Concept addCredit can be called by anyone, and the msg.value is as small as 1 wei. Users can modify Lien at a small cost, causing the value stored in lienslienId=keccak256abi.encodelien to change By front-run, the normal user's...

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Code423n4
Code423n4
•added 2023/06/01 12:00 a.m.•25 views

teteat

Lines of code L1 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 Assess...

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Code423n4
Code423n4
•added 2023/05/30 12:00 a.m.•25 views

The distribution logic will be broken after calling rageQuit()

Lines of code Vulnerability details Impact Malicious users might receive more distributed funds than they should with higher distributionShare. Proof of Concept In PartyGovernanceNFT.sol, there is a getDistributionShareOf function to calculate the distribution share of party NFT. function...

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Code423n4
Code423n4
•added 2023/05/26 12:00 a.m.•25 views

Project may fail to be deployed to chains not compatible with Shanghai hardfork

Lines of code Vulnerability details Project may fail to be deployed to chains not compatible with Shanghai hardfork Current settings may produce incompatible bytecode with some of the chains supported by the protocol. Impact The Ambire wallet supports and targets different chains, such as Ethereu...

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Code423n4
Code423n4
•added 2023/05/19 12:00 a.m.•25 views

New finding

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 Assessed...

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Code423n4
Code423n4
•added 2023/05/15 12:00 a.m.•25 views

Whales can freeze all user funds

Lines of code Vulnerability details Impact Whales can freeze user funds by adding large amounts of a smaller token, while keeping collateral in other tokens. By accumulating interest in the small token, they will be able to call reduceReserves once the interest increased enough to match the cash...

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Code423n4
Code423n4
•added 2023/05/15 12:00 a.m.•25 views

Precision differences when calculating the _startAuction of funds accumulated in RiskFund

Lines of code Vulnerability details Impact When calculating startAuction uint256 usdValue in RiskFund, Auction state divides the value of each market in the vToken list in token list precision. This skew is fine for most tokens but will cause problems with certain token pairs. Proof of Concept Wh...

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Code423n4
Code423n4
•added 2023/05/15 12:00 a.m.•25 views

USDC blacklisted accounts can DOS the bidding system in Shortfall

Lines of code Vulnerability details Impact Shortfall contract is used to clear off any pool bad debt via auction. If the debt reached its mimimum value, anybody can start off the auction and place the bid. Attacker can bid with tokene.g. USDC, USDT that have a contract level admin controlled...

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Code423n4
Code423n4
•added 2023/05/15 12:00 a.m.•25 views

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:...

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Code423n4
Code423n4
•added 2023/05/15 12:00 a.m.•25 views

[H1] Incorrect constant set at WhitePaperInterestRateModel

Lines of code Vulnerability details Impact Incorrect calculation of critical parameters like baseRatePerBlock. Proof of Concept The constant blocksPerYear is incorrectly set uint256 public constant blocksPerYear = 2102400; // @audit 15 seconds per block However, for Binance Smart Chain the blocks...

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Code423n4
Code423n4
•added 2023/05/15 12:00 a.m.•25 views

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,...

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Code423n4
Code423n4
•added 2023/05/11 12:00 a.m.•25 views

mint() function: an attacker can mint multiple position NFTs for one or more legit Ajna users who have LP in Ajna pools. This should not be possible.

Lines of code Vulnerability details Impact The current implementation of the mint function does not ensure that only the owner of a liquidity pool LP deposit can mint position NFTs. As a result, an attacker can mint multiple position NFTs on behalf of legitimate Ajna users who have LP in Ajna...

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Code423n4
Code423n4
•added 2023/05/11 12:00 a.m.•25 views

mint() function: Rogue lenders/attackers could mint multiple/endless position NFTs for their SAME Ajna pool deposits/LPs, when they're supposed to be able to mint only one position NFT per lender per LP per pool.

Lines of code Vulnerability details Impact The current implementation of the mint function allows a lender to mint multiple position NFTs for the same Ajna pool deposit. This could lead to an inflation of NFTs and potentially disrupt the system's reward distribution, as the lender could stake the...

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Code423n4
Code423n4
•added 2023/05/08 12:00 a.m.•25 views

Chainlink price feed responses are not validated

NEW ISSUE - MITIGATION IS NOT CONFIRMED NEW ISSUE - MITIGATION IS NOT CONFIRMED adriro-NEW-H-02 Chainlink price feed responses are not validated Link to changesets: Impact The protocol team introduced Chainlink price feeds for the Reth and WstEth derivatives in order to mitigate price manipulatio...

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Code423n4
Code423n4
•added 2023/05/08 12:00 a.m.•25 views

Mitigation of M-05: Issue not mitigated, mitigation errors

MITIGATION IS NOT CONFIRMED MITIGATION IS NOT CONFIRMED Mitigation of M-05: Issue not mitigated, mitigation errors Link to Issue: code-423n4/2023-03-asymmetry-findings812 Comments The issue describes missing checks associated with staking requirements for the WstEth and Reth derivative. The...

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Code423n4
Code423n4
•added 2023/04/28 12:00 a.m.•25 views

SHA1 Hashing Algorithm vulnerable to Length Extension Attack

Lines of code Vulnerability details Impact The implementation of the SHA1 hashing algorithm in the code has a significant impact as it is vulnerable to the length extension attack. This attack enables us to create a new hash for an extended message without altering the existing hash, even though ...

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Code423n4
Code423n4
•added 2023/04/28 12:00 a.m.•25 views

Offchain resolver can be subject to man in the middle attacks

Lines of code Vulnerability details Description Calls to the offchain resolver are produced by the code below: function resolve bytes calldata name, bytes calldata data external view returns bytes memory string memory urls = new string; urls0 = gatewayURL; revert OffchainLookup addressthis, urls,...

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Code423n4
Code423n4
•added 2023/04/13 12:00 a.m.•25 views

It's not always possible for a user to claim their voting power in ReraiseETHCrowdfund

Lines of code Vulnerability details Proof of Concept When a ReraiseETHCrowdfund has finalized, a user has 2 ways to claim their voting power - claim or claimMultiple. The condition in claim is that user's total contribution is no greater than the maxContribution. uint96 contribution = votingPower...

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Code423n4
Code423n4
•added 2023/04/13 12:00 a.m.•25 views

Possible DOS attack using dust in ReraiseETHCrowdfund._contribute()

Lines of code Vulnerability details Impact Normal contributors wouldn't contribute to the crowdfund properly by a malicious frontrunner. Proof of Concept When users contribute to the ReraiseETHCrowdfund, it mints the crowdfund NFT in contribute. File:...

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Code423n4
Code423n4
•added 2023/04/10 12:00 a.m.•25 views

PartyGovernanceNFT.sol: burn function does not reduce totalVotingPower making it impossible to reach unanimous votes

Lines of code Vulnerability details Impact With the new version of the Party protocol the PartyGovernanceNFT.burn function has been introduced. This function is used to burn party cards. According to the sponsor the initial purpose of this function was to enable the InitialETHCrowdfund contract t...

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Code423n4
Code423n4
•added 2023/04/09 12:00 a.m.•25 views

InitialETHCrowdfund + ReraiseETHCrowdfund: batchContributeFor function may not refund ETH which leads to loss of funds

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...

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Code423n4
Code423n4
•added 2023/03/30 12:00 a.m.•25 views

Reth slippage and fee stealing

Lines of code Vulnerability details Impact The Reth derivative contract calculates the maximum slippage for buying rETH from the Uniswap V3 pool by using the current price in the pool at runtime, without considering the price at which the user submitted the transaction to the mempool: uint...

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Code423n4
Code423n4
•added 2023/03/30 12:00 a.m.•25 views

deposit function of WstEth not working correctly

Lines of code Vulnerability details Impact The deposit function doesnt seem to work at all, or correctly at all. Its missing some code, etc. Please see my natspec notes below for more clarity: Apologies, this is 10mins before contest ends, so I'm just going to copy my NatSpec notes here: function...

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Code423n4
Code423n4
•added 2023/03/30 12:00 a.m.•25 views

Division before multiplication truncate minOut and incurs heavy precision loss and result in insufficient slippage protection

Lines of code Vulnerability details Impact When Calcuting the minOut before doing trade, Division before multiplication truncate minOut and incurs heavy precision loss, then very sub-optimal amount of the trade output can result in loss of fund from user because of the insufficient slippage...

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Total number of security vulnerabilities5000