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


0.0
high
  • Attack Complexity

    High

  • User Interaction

    Required

  • Scope

    Changed

  • Confidentiality

    High

  • Integrity

    High

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  • snyk-id

    SNYK-JS-OPENZEPPELINCONTRACTS-2980279

  • published

    14 Aug 2022

  • disclosed

    14 Aug 2022

  • credit

    Unknown

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.