Information Exposure Affecting @openzeppelin/contracts package, versions >=4.1.0 <4.7.1
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Test your applications- Snyk ID SNYK-JS-OPENZEPPELINCONTRACTS-2958050
- published 22 Jul 2022
- disclosed 21 Jul 2022
- credit Unknown
Introduced: 21 Jul 2022
CVE-2022-31172 Open this link in a new tabHow to fix?
Upgrade @openzeppelin/contracts to version 4.7.1 or higher.
Overview
@openzeppelin/contracts is a library for contract development.
Affected versions of this package are vulnerable to Information Exposure. SignatureChecker.isValidSignatureNow is not expected to revert. However, an incorrect assumption about Solidity 0.8's abi.decode allows some cases to revert, given a target contract that doesn't implement EIP-1271 as expected.
The contracts that may be affected are those that use SignatureChecker to check the validity of a signature and handle invalid signatures in a way other than reverting. We believe this to be unlikely.