CVE-2022-31172

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Summary

CVECVE-2022-31172
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-07-22 04:15:00 UTC
Updated2022-08-01 15:56:00 UTC
DescriptionOpenZeppelin Contracts is a library for smart contract development. Versions 4.1.0 until 4.7.1 are vulnerable to the SignatureChecker reverting. `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. The issue was patched in version 4.7.1.

Risk And Classification

Problem Types: CWE-347

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openzeppelin Contracts All All All All

References

ReferenceSourceLinkTags
SignatureChecker may revert on invalid EIP-1271 signers · Advisory · OpenZeppelin/openzeppelin-contracts · GitHub CONFIRM github.com
Fix issues caused by abi.decode reverting by Amxx · Pull Request #3552 · OpenZeppelin/openzeppelin-contracts · GitHub MISC github.com
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