CVE-2022-31170

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Summary

CVECVE-2022-31170
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-07-22 04:15:00 UTC
Updated2022-08-01 15:50:00 UTC
DescriptionOpenZeppelin Contracts is a library for smart contract development. Versions 4.0.0 until 4.7.1 are vulnerable to ERC165Checker reverting instead of returning `false`. `ERC165Checker.supportsInterface` is designed to always successfully return a boolean, and under no circumstance 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-165 as expected, specifically if it returns a value other than 0 or 1. The contracts that may be affected are those that use `ERC165Checker` to check for support for an interface and then handle the lack of support in a way other than reverting. The issue was patched in version 4.7.1.

Risk And Classification

Problem Types: CWE-252

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openzeppelin Contracts All All All All

References

ReferenceSourceLinkTags
Fix issues caused by abi.decode reverting by Amxx · Pull Request #3552 · OpenZeppelin/openzeppelin-contracts · GitHub MISC github.com
ERC165Checker may revert instead of returning false · Advisory · OpenZeppelin/openzeppelin-contracts · GitHub CONFIRM github.com
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