Buffer overflow

OpenZeppelin Contracts is a library for secure smart contract development. The ERC721Consecutive contract designed for minting NFTs in batches does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the receiver of that token may overflow the...

CVE-2023-26488 OpenZeppelin Contracts contains Incorrect Calculation

OpenZeppelin Contracts is a library for secure smart contract development. The ERC721Consecutive contract designed for minting NFTs in batches does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the receiver of that token may overflow the...

CVE-2023-26488 OpenZeppelin Contracts contains Incorrect Calculation

OpenZeppelin Contracts is a library for secure smart contract development. The ERC721Consecutive contract designed for minting NFTs in batches does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the receiver of that token may overflow the...

CVE-2023-26488

OpenZeppelin Contracts ERC721Consecutive has a balance-update bug for batches of size 1, causing balanceOf to overflow. Root cause: balances not updated after mint/batch transfers. Impact is partial (balance overflow risk) and fixes were applied in version 4.8.2; update to 4.8.2 or later to remed...

CVE-2023-26488 OpenZeppelin Contracts contains Incorrect Calculation

OpenZeppelin Contracts is a library for secure smart contract development. The ERC721Consecutive contract designed for minting NFTs in batches does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the receiver of that token may overflow the...

@1inch/delegating (>=0.0.8 <=0.0.21), @1inch/erc20-pods (>=0.0.8 <=0.0.17) +67 more potentially affected by CVE-2023-26488 via @openzeppelin/contracts (>=4.8.0 <=4.8.1)

@openzeppelin/contracts NPM version =4.8.0, =0.0.8, =0.0.8, =1.1.2, =0.0.1, =2.0.0, =0.7.0-alpha, =1.2.0, =0.0.1, =1.0.4, =1.0.1, =1.0.15, =2.0.2 and more Source cves: CVE-2023-26488 Source advisory: OSV:GHSA-878M-3G6Q-594Q...

@aragon/core-contracts (>=0.7.0-alpha <=0.8.0-alpha), @aragon/osx (>=1.2.0 <=1.3.0-rc0.4) +42 more potentially affected by CVE-2023-26488 via @openzeppelin/contracts-upgradeable (>=4.8.0 <=4.8.1)

@openzeppelin/contracts-upgradeable NPM version =4.8.0, =0.7.0-alpha, =1.2.0, =0.0.1, =0.0.1, =0.0.1, =1.0.4, =2.0.0, =1.0.1, =1.0.15, =1.0.27, =1.0.16, =1.0.29 and more Source cves: CVE-2023-26488 Source advisory: OSV:GHSA-878M-3G6Q-594Q...

OpenZeppelin Contracts contains Incorrect Calculation

Impact The ERC721Consecutive contract designed for minting NFTs in batches does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the receiver of that token may overflow the balance as reported by balanceOf. The issue exclusively presents with...

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...

PT-2023-20679 · Openzeppelin · Openzeppelin Contracts

Name of the Vulnerable Software and Affected Versions: OpenZeppelin Contracts versions prior to 4.8.2 Description: The ERC721Consecutive contract, designed for minting NFTs in batches, does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the...

OpenZeppelin 安全漏洞

OpenZeppelin is a software application. A standard for secure blockchain applications. A security vulnerability exists in OpenZeppelin Contracts that stems from an amount overflowing during transmission...

Could Bitcoin Be The Future Of DeFi?

By Waqas Bitcoin has both security and liquidity, and now, with the addition of smart contract capabilities, it has all the ingredients required for DeFi to take off. This is a post from HackRead.com Read the original post: Could Bitcoin Be The Future Of DeFi?...

Repository._removeContract() removes the contract wrongly.

Lines of code Vulnerability details Impact After removing the contract, the contracts array would contain the wrong contract names. Proof of Concept Repository.removeContract removes the contract name from contracts array. File: 2023-02-malt\contracts\Repository.sol 223: function...

SwingTraderManager.swingTraders() shoudn't contain duplicate traderContracts.

Lines of code Vulnerability details Impact If SwingTraderManager.swingTraders contains duplicate traderContracts, several functions like buyMalt and sellMalt wouldn't work as expected as they work according to traders' balances. Proof of Concept During the swing trader addition, there is no...

The mitigation does not sufficiently address the bug report M-02

Lines of code Vulnerability details Impact M-02: The mitigation does not sufficiently address the bug report M-02 Proof of Concept If we look into the M-02 report code-423n4/2022-12-gogopool-findings742 The report points out two issues: Implication 1 The above function upgradeExistingContract...

First depositor can break minting of shares

Lines of code Vulnerability details Vulnerability details The calculation of exchange rate for shares in Popcorn Vault is done by dividing the total supply of shares by the totalAssets of the vault. The first depositor can mint a very small number of shares, then donate to the vault to manipulate...

Unsafe token transfer in MultiRewardStaking and VaultController contracts

Lines of code Vulnerability details Impact The vulnerability in the MultiRewardStaking and VaultController contracts lies in the usage of the transfer and transferFrom functions, which does not provide the safety checks for the transfer of tokens, especially since the reward token can have...

Core functionality is not working due to revert in _verifyCreatorOrOwner()

Lines of code Vulnerability details Impact It is not possible to pause/unpause vaults and adaptors nor add staking reward tokens since the verifyCreatorOrOwner function reverts due to a logical error. Proof of Concept The following logic is used to determine if msg.sender is a creator or owner of...

CVE-2023-23940 OpenZeppelin Contracts for Cairo is vulnerable to signature validation bypass

OpenZeppelin Contracts for Cairo is a library for secure smart contract development written in Cairo for StarkNet, a decentralized ZK Rollup. isvalidethsignature is missing a call to finalizekeccak after calling verifyethsignature. As a result, any contract using isvalidethsignature from the...

CVE-2023-23940 OpenZeppelin Contracts for Cairo is vulnerable to signature validation bypass

OpenZeppelin Contracts for Cairo is a library for secure smart contract development written in Cairo for StarkNet, a decentralized ZK Rollup. isvalidethsignature is missing a call to finalizekeccak after calling verifyethsignature. As a result, any contract using isvalidethsignature from the...