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Code423n4
Code423n4
added 2022/10/10 12:0 a.m.8 views

Assume that asset type passed from outside is valid

Lines of code Vulnerability details Impact Assume that asset type passed from outside is valid. Proof of Concept Tools Used Code analytics Recommended Mitigation Steps Better way is to case collection address to some interface, use method to obtain type. --- The text was updated successfully, but...

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Code423n4
Code423n4
added 2022/10/10 12:0 a.m.10 views

The buyer will lose their funds by "gas limit DoS via unbounded operations"

Lines of code Vulnerability details Impact If the buyer invoke execute he will lose their funds by gas limit DoS via unbounded operations Proof of Concept execute == executeFundsTransfer == transferFees In case, execute is called by the buyer ,and the seller set fees.length == 2^256-1 As we see...

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Code423n4
Code423n4
added 2022/10/10 12:0 a.m.15 views

Buyers will lose an amount of their funds for only one ERC115 token

Lines of code Vulnerability details Impact By using StandardPolicyERC1155.sol as a matchingPolicy for the order. The buyer will transfer an amount of funds ETH or WETH for 2 or more tokens, but he will receive only 1 token. Proof of Concept in case the buyer has set Input.Order.amount 1. Let’s sa...

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Code423n4
Code423n4
added 2022/10/10 12:0 a.m.14 views

Critical matching policy logic is unenforced

Lines of code Vulnerability details Impact Malicious order matching. Proof of Concept When being executed two orders are matched using custom matching policies. Certain checks are critical for every order matching. Currently these checks would have to be implemented in the matching policies...

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Code423n4
Code423n4
added 2022/10/10 12:0 a.m.13 views

ExecutionDelegate can approve arbitrary calling contract

Lines of code Vulnerability details Impact Owner can steal users' funds and tokens. Proof of Concept The owner of ExecutionDelegate can approve any contract to call it, e.g. a malicious contract which can then drain all funds and tokens approved by users to ExecutionDelegate. Users should only...

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Code423n4
Code423n4
added 2022/10/10 12:0 a.m.14 views

revokeApproval() only work with WETH

Lines of code Vulnerability details Impact User can invoke execute successfully even if revokedApprovalmsg.sender == true Proof of Concept If buyer did invoke revokeApproval it only block matching the orders if paymentToken == WETH but if the paymentToken == address0 the buyer could invoke execut...

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Code423n4
Code423n4
added 2022/10/10 12:0 a.m.14 views

Transfer reminder of msg.value is bad practice

Lines of code Vulnerability details Impact Transfer reminder of msg.value is bad practice. Can lead to out of gas, reentrancy and so on. Proof of Concept Tools Used Static analytics Recommended Mitigation Steps Can create method getReminder and user to call to get all reminders for him. --- The...

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Code423n4
Code423n4
added 2022/10/10 12:0 a.m.7 views

Amount of ERC1155 tokens transferred is always 1.

Lines of code Vulnerability details Impact When a user signs an order to buy multiple ERC1155 tokens the amount of tokens transferred is hardcoded to be 1. This means although they expected to get n number of tokens for the total price of X they only get 1 and pay the total amount of X ETH. Proof...

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Code423n4
Code423n4
added 2022/10/10 12:0 a.m.15 views

Griefing of execute transaction sender

Lines of code Vulnerability details Description In function execute from BlurExchange contract there is a call of executeTokenTransfer function. The last one contains the following logic: function executeTokenTransfer address collection, address from, address to, uint256 tokenId, uint256 amount,...

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Code423n4
Code423n4
added 2022/10/08 12:0 a.m.12 views

The L1GraphTokenGateway does not work on non-standard compliant tokens like USDT

Lines of code Vulnerability details Vulnerability details The L1GraphTokenGateway function uses the standard IERC20 function for the transfer call and proceeds with a checkReturnCode function to handle non-standard compliant tokens that don't return a return value. However, this does not work as...

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Code423n4
Code423n4
added 2022/10/01 12:0 a.m.19 views

Type Error

Lines of code Vulnerability details Impact Type Error 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 Foundry - Forge Recommended Mitigation Steps Consider changing uint to int and ...

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Code423n4
Code423n4
added 2022/10/01 12:0 a.m.10 views

Type safety issue in https://github.com/code-423n4/2022-09-quickswap/blob/main/src/core/contracts/libraries/FullMath.sol

Lines of code Vulnerability details Impact Detailed description of the impact of this finding. Proof of Concept Tools Used Foundry - forge. Recommended Mitigation Steps change the ln. 59 to uint256 twos = typeuint256.max - denominator + 1 & denominator; --- The text was updated successfully, but...

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Code423n4
Code423n4
added 2022/10/01 12:0 a.m.19 views

AlgebraPoolDeployer.sol#L50-L51 : After the pool deployment, the memory of "parameters's" members are not cleaned.

Lines of code Vulnerability details Impact As the memory of previous members are not cleared, this can cause unexpected result when deploying subsequent pools. Proof of Concept. parameters = ParametersdataStorage: dataStorage, factory: factory, token0: token0, token1: token1; pool = addressnew...

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Code423n4
Code423n4
added 2022/10/01 12:0 a.m.11 views

AlgebraPool.sol#L501-L507 : position.fees are updated without checking whether the amount value is greater than zero or not

Lines of code Vulnerability details Impact Incorrect fee update if any one of the amount is zero. Proof of Concept if amount0 | amount1 != 0 position.fees0 = positionFees0 - amount0; position.fees1 = positionFees1 - amount1; if amount0 0 TransferHelper.safeTransfertoken0, recipient, amount0; if...

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Code423n4
Code423n4
added 2022/09/27 12:0 a.m.9 views

ArtGobblers.sol#L411 : mintLegendaryGobbler can be executed without gobblerIds also

Lines of code Vulnerability details Impact The function mintLegendaryGobbler can be called without any gobblerIds as well. Proof of Concept. to mint the legendary gobbler in the function mintLegendaryGobbler, the line ArtGobblers.solL418 calculates the cost. uint256 cost = legendaryGobblerPrice;...

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Code423n4
Code423n4
added 2022/09/27 12:0 a.m.8 views

Injection into the mintlist merkle tree

Lines of code Vulnerability details Description There is claimGobbler function in ArtGobblers contract. It accepts proof as an array of bytes32 values and uses such a proof for the check whether msg.sender is available to claim a gobbler. But there is no check on the length of the proof, so it is...

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Code423n4
Code423n4
added 2022/09/27 12:0 a.m.8 views

The users can steal the pages from the community reserve

Lines of code Vulnerability details Impact community reserve could be losing some pages Proof of Concept In case mintCommunityPages start minting let's say 20 pages if Alice has invoke mintFromGoo before this looop for uint256 i = 0; i numPages; i++ mintcommunity, ++lastMintedPageId; Has finished...

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Code423n4
Code423n4
added 2022/09/27 12:0 a.m.9 views

ArtGobbler can be abused to squirt more goo without providing any NFT

Lines of code Vulnerability details Impact Some ERC20 tokens don’t throw but just return false when a transfer fails. This can be abused to trick the gobble function to gobble without providing any valid art. A good example of such a token is ZRX: Etherscan code This issue can be abused by a...

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Code423n4
Code423n4
added 2022/09/27 12:0 a.m.12 views

Gobblers burnt for minting legendary Gobblers can be transferred out from the address zero

Lines of code Vulnerability details Impact The mintLegendaryGobbler function burn standard gobblers by setting their owner to address0 without deleting the getApprovedid. So the original owner can setApproval for himself address and transfer the gobbler token back to any address from the address0...

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Code423n4
Code423n4
added 2022/09/27 12:0 a.m.12 views

Community/Team owner can steal gobbler by sending it to arbitrary address

Lines of code Vulnerability details Impact A malicious owner can steal all of its reserved gobbler. This is possible because owner can send reserved gobbler by withdraw function to ANY ARBITRARY ADDRESS. Proof of Concept owner can set any address to to parameter of withdraw function of...

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