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 started on L1. This issue has been patched in v4.7.2. Users are advised to upgrade. There are no known workarounds for this issue.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2022-35916?
CVE-2022-35916 is a vulnerability in OpenZeppelin Contracts library that classifies direct interactions of externally owned accounts (EOAs) as cross chain calls.
What software is affected by CVE-2022-35916?
OpenZeppelin Contracts versions from 4.6.0 to 4.7.2 and OpenZeppelin Contracts Upgradeable versions from 4.6.0 to 4.7.2 are affected by CVE-2022-35916.
What is the severity of CVE-2022-35916?
CVE-2022-35916 has a severity score of 5.3, which is considered medium.
How can I fix CVE-2022-35916?
To fix CVE-2022-35916, update your OpenZeppelin Contracts library to a version higher than 4.7.2.
Where can I find more information about CVE-2022-35916?
More information about CVE-2022-35916 can be found in the OpenZeppelin Contracts GitHub pull request #3578 and the OpenZeppelin Contracts security advisory GHSA-9j3m-g383-29qr.