No storage gap for Upgradable contract might lead to storage slot collision

Lines of code Vulnerability details Impact For upgradeable contracts, there must be storage gap to “allow developers to freely add new state variables in the future without compromising the storage compatibility with existing deployments” quote OpenZeppelin. Otherwise it may be very difficult to...

NO STORAGE GAP FOR UPGRADEABLE CONTRACT MIGHT LEAD TO STORAGE SLOT COLLISION

Lines of code Vulnerability details NO STORAGE GAP FOR UPGRADEABLE CONTRACT MIGHT LEAD TO STORAGE SLOT COLLISION Impact For upgradeable contracts, there must be storage gap to “allow developers to freely add new state variables in the future without compromising the storage compatibility with...

Business Logic Flaws

OpenZeppelin Contracts has business logic flaws. The vulnerability exists due to a lack of sanitization between cross chains allowing contracts using Arbitrum L2, CrossChainEnabledArbitrumL2 or LibArbitrumL2 to be classified as direct interactions of externally owned accounts EOAs even though the...

Business Logic Flaws

OpenZeppelin Contracts has business logic flaw. The vulnerability exists due to a lack of sanitization of past quorum allowing it to be executable when a new quorum meets the smart contract's requirement...

Attacker can empty vaults

Lines of code Vulnerability details Impact Both MIMOEmptyVault and MIMOLeverage contracts share same signature/definition, an attacker can gain control of EmptyVault contract, issue a flash loan, and empty the vaults. Proof of Concept See the test below. In below test, EmptyVault contract is...

CVE-2022-35916

OpenZeppelin Contracts is a library for secure smart contract development. Contracts using the cross chain utilities for Arbitrum L2, CrossChainEnabledArbitrumL2 or LibArbitrumL2, will classify direct interactions of externally owned accounts EOAs as cross chain calls, even though they are not...

CVE-2022-35915

OpenZeppelin Contracts is a library for secure smart contract development. The target contract of an EIP-165 supportsInterface query can cause unbounded gas consumption by returning a lot of data, while it is generally assumed that this operation has a bounded cost. The issue has been fixed in...

Cross site scripting

OpenZeppelin Contracts is a library for secure smart contract development. Contracts using the cross chain utilities for Arbitrum L2, CrossChainEnabledArbitrumL2 or LibArbitrumL2, will classify direct interactions of externally owned accounts EOAs as cross chain calls, even though they are not...

CVE-2022-35915 Unbounded gas consumption in @openzeppelin/contracts

OpenZeppelin Contracts is a library for secure smart contract development. The target contract of an EIP-165 supportsInterface query can cause unbounded gas consumption by returning a lot of data, while it is generally assumed that this operation has a bounded cost. The issue has been fixed in...

CVE-2022-35915 Unbounded gas consumption in @openzeppelin/contracts

OpenZeppelin Contracts is a library for secure smart contract development. The target contract of an EIP-165 supportsInterface query can cause unbounded gas consumption by returning a lot of data, while it is generally assumed that this operation has a bounded cost. The issue has been fixed in...

CVE-2022-35915

OpenZeppelin Contracts contains a vulnerability in the ERC165 supportsInterface logic where querying a target contract can cause unbounded gas consumption by returning a large amount of data. The issue is fixed in version 4.7.2; users are advised to upgrade. There are no public workarounds noted....

CVE-2022-35916 Cross chain utilities for Arbitrum L2 see EOA calls as cross chain calls

OpenZeppelin Contracts is a library for secure smart contract development. Contracts using the cross chain utilities for Arbitrum L2, CrossChainEnabledArbitrumL2 or LibArbitrumL2, will classify direct interactions of externally owned accounts EOAs as cross chain calls, even though they are not...

CVE-2022-35916 Cross chain utilities for Arbitrum L2 see EOA calls as cross chain calls

OpenZeppelin Contracts is a library for secure smart contract development. Contracts using the cross chain utilities for Arbitrum L2, CrossChainEnabledArbitrumL2 or LibArbitrumL2, will classify direct interactions of externally owned accounts EOAs as cross chain calls, even though they are not...

CVE-2022-35916

OpenZeppelin Contracts vulnerability CVE-2022-35916 affects cross-chain utilities for Arbitrum L2, specifically CrossChainEnabledArbitrumL2 and LibArbitrumL2. The issue classifies direct interactions of EOAs as cross-chain calls, even when not initiated on L1, due to how cross-chain interactions ...

CVE-2022-35916 Cross chain utilities for Arbitrum L2 see EOA calls as cross chain calls

OpenZeppelin Contracts is a library for secure smart contract development. Contracts using the cross chain utilities for Arbitrum L2, CrossChainEnabledArbitrumL2 or LibArbitrumL2, will classify direct interactions of externally owned accounts EOAs as cross chain calls, even though they are not...

CVE-2022-31198 GovernorVotesQuorumFraction updates to quorum may affect past defeated proposals in @openzeppelin/contracts

OpenZeppelin Contracts is a library for secure smart contract development. This issue concerns instances of Governor that use the module GovernorVotesQuorumFraction, a mechanism that determines quorum requirements as a percentage of the voting token's total supply. In affected instances, when a...

CVE-2022-31198

OpenZeppelin Contracts: GovernorVotesQuorumFraction vulnerability where lowering quorum could make past defeated proposals executable if votes meet the new quorum. Affected: GovernorVotesQuorumFraction-based governors in OpenZeppelin Contracts. Root cause: quorum is a percentage of total supply, ...

CVE-2022-31198 GovernorVotesQuorumFraction updates to quorum may affect past defeated proposals in @openzeppelin/contracts

OpenZeppelin Contracts is a library for secure smart contract development. This issue concerns instances of Governor that use the module GovernorVotesQuorumFraction, a mechanism that determines quorum requirements as a percentage of the voting token's total supply. In affected instances, when a...

CVE-2022-31198 GovernorVotesQuorumFraction updates to quorum may affect past defeated proposals in @openzeppelin/contracts

OpenZeppelin Contracts is a library for secure smart contract development. This issue concerns instances of Governor that use the module GovernorVotesQuorumFraction, a mechanism that determines quorum requirements as a percentage of the voting token's total supply. In affected instances, when a...

PT-2022-23021 · Openzeppelin · Openzeppelin Contracts

Name of the Vulnerable Software and Affected Versions: OpenZeppelin Contracts versions prior to 4.7.2 Description: The target contract of an EIP-165 supportsInterface query can cause unbounded gas consumption by returning a lot of data, while it is generally assumed that this operation has a...