CVE-2020-15240

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Summary

CVECVE-2020-15240
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-10-21 18:15:00 UTC
Updated2021-11-18 16:21:00 UTC
Descriptionomniauth-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.

Risk And Classification

Problem Types: CWE-347

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Auth0 Omniauth-auth0 All All All All
Application Auth0 Omniauth-auth0 All All All All

References

ReferenceSourceLinkTags
omniauth-auth0 | RubyGems.org | your community gem host MISC rubygems.org Product, Vendor Advisory
Verify the JWT signature · auth0/omniauth-auth0@fd3a14f · GitHub MISC github.com Patch, Third Party Advisory
Regression in JWT Signature Validation · Advisory · auth0/omniauth-auth0 · GitHub CONFIRM github.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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