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

0.0
high

Snyk CVSS

    Attack Complexity High
    User Interaction Required
    Scope Changed
    Confidentiality High
    Integrity High

    Threat Intelligence

    EPSS 0.06% (25th percentile)
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NVD
6.5 medium

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  • Snyk ID SNYK-JS-OPENZEPPELINCONTRACTS-2980279
  • 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 to version 4.7.3 or higher.

Overview

@openzeppelin/contracts is a library for contract development.

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.