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Improper Verification of Cryptographic Signature Affecting @openzeppelin/contracts-upgradeable package, versions <4.7.3

0.0
high

Snyk CVSS

    Attack Complexity High
    User Interaction Required
    Scope Changed
    Confidentiality High
    Integrity High
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NVD
6.5 medium

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  • Snyk ID SNYK-JS-OPENZEPPELINCONTRACTSUPGRADEABLE-2980280
  • published 14 Aug 2022
  • disclosed 14 Aug 2022
  • credit Unknown
Report a new vulnerability Found a mistake?

Introduced: 14 Aug 2022

CVE-2022-35961 Open this link in a new tab
CWE-347 Open this link in a new tab

How to fix?

Upgrade @openzeppelin/contracts-upgradeable to version 4.7.3 or higher.

Overview

@openzeppelin/contracts-upgradeable is a Secure Smart Contract library for Solidity. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via ECDSA.recover and ECDSA.tryRecover due to accepting EIP-2098 compact signatures in addition to the traditional 65 byte signature format.