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


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-JS-OPENZEPPELINCONTRACTSUPGRADEABLE-2980280
  • published 14 Aug 2022
  • disclosed 14 Aug 2022
  • credit Unknown

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.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
7.7 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    Required
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    None
Expand this section

NVD

6.5 medium