CVE-2020-15240
Regression in JWT Signature Validation
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut GHSA (hoch), Ruby Advisory DB (hoch).
Beschreibung
omniauth-auth0 (rubygems) versions >= 2.3.0 and < 2.4.1 improperly validate 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. You are affected by this vulnerability if all of the following conditions apply: 1. You are using `omniauth-auth0`. 2. You are using `JWTValidator.verify` method directly OR you are not authenticating using the SDK’s default Authorization Code Flow. The issue is patched in version 2.4.1.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| rubygems::GitHub Security Advisory RubyGems | omniauth-auth0 | 2.4.1 |
| rubygems::Ruby Advisory Database | omniauth-auth0 | >= 2.4.1 |
Referenzen
- https://github.com/auth0/omniauth-auth0
- https://github.com/auth0/omniauth-auth0/commit/fd3a14f4ccdfbc515d1121d6378ff88bf55a7a7a
- https://github.com/auth0/omniauth-auth0/security/advisories/GHSA-58r4-h6v8-jcvm
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-auth0/CVE-2020-15240.yml
- https://nvd.nist.gov/vuln/detail/CVE-2020-15240
- https://rubygems.org/gems/omniauth-auth0