Regression in JWT Signature Validation Affecting omniauth-auth0 package, versions >=2.3.0, <2.4.1


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.3% (70th percentile)

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  • Snyk ID SNYK-RUBY-OMNIAUTHAUTH0-1020812
  • published 23 Oct 2020
  • disclosed 22 Oct 2020
  • credit Unknown

How to fix?

Upgrade omniauth-auth0 to version 2.4.1 or higher.

Overview

Affected versions of this package are vulnerable to Regression in JWT Signature Validation. It improperly validates the JWT token signature when using the jwt_validator.verify method. Improper validation of the JWT token signature can allow an attacker to bypass authentication and authorization.

References

CVSS Scores

version 3.1
Expand this section

Snyk

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

NVD

9.1 critical