code-423n4 2021-04-meebits-findings issues

code-423n4 / 2021-04-meebits-findings

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Missing zero/threshold check for NFT sale duration

#35 code423n4 opened 3 years ago
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Missing zero/threshold check for NFT sale price

#34 code423n4 opened 3 years ago
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Missing zero-address check for the beneficiary address

#33 code423n4 opened 3 years ago
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Privileged deployer role and capabilities

#32 code423n4 opened 3 years ago
1
Gas savings by replacing modifier onlyDeployer with internal function

#31 code423n4 opened 3 years ago
1
randomIndex is not truly random - possibility of predictably minting a specific token Id

#30 code423n4 opened 3 years ago
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Explicit initialization with zero not required for nonce

#29 code423n4 opened 3 years ago
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Explicit initialization with false not required for publicSale

#28 code423n4 opened 3 years ago
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Explicit initialization with zero not required for numSales

#27 code423n4 opened 3 years ago
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Explicit initialization with zero not required for numTokens

#26 code423n4 opened 3 years ago
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Incorrect initialization uses test parameterization for sale limit

#25 code423n4 opened 3 years ago
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Incorrect initialization uses test parameterization for token limit

#24 code423n4 opened 3 years ago
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Atypical contract structure affects maintainability and readability

#23 code423n4 opened 3 years ago
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Clone-and-own approach used for OZ SafeMath library and other code susceptible to errors and missing upstream bug fixes

#22 code423n4 opened 3 years ago
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Unclear `randomIndex` function

#21 code423n4 opened 3 years ago
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Mint can be front-run

#20 code423n4 opened 3 years ago
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Usage of `address.transfer`

#19 code423n4 opened 3 years ago
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Missing parameter validation

#18 code423n4 opened 3 years ago
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SafeMath library asserts instead of reverts

#17 code423n4 opened 3 years ago
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Incorrect Implementation

#16 code423n4 opened 3 years ago
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Numerous Gas Optimizations

#15 code423n4 opened 3 years ago
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Legacy Function Usage

#14 code423n4 opened 3 years ago
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transfer used

#13 code423n4 opened 3 years ago
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transfer of 0 ETH

#12 code423n4 opened 3 years ago
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nonce isn't increased

#11 code423n4 opened 3 years ago
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Not really random

#10 code423n4 opened 3 years ago
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Safemath missing in several places

#9 code423n4 opened 3 years ago
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Check for marketPaused in sealContract

#8 code423n4 opened 3 years ago
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lack of input validation in ownerOf(uint )

#7 code423n4 opened 3 years ago
1
No zero address checking in contractor

#6 code423n4 opened 3 years ago
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public function that could be declared external

#5 code423n4 opened 3 years ago
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Arbitrary Transfer of Unowned NFTs

#4 code423n4 opened 3 years ago
1
state variables that could be declared constant

#3 code423n4 opened 3 years ago
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instead of call() , transfer() is used to withdraw the ether

#2 code423n4 opened 3 years ago
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Testing form submissions for mystery NFT contest

#1 code423n4 closed 3 years ago
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