CVE-2020-15240

Source
https://nvd.nist.gov/vuln/detail/CVE-2020-15240
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15240.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-15240
Aliases
Published
2020-10-21T18:15:12Z
Modified
2024-05-30T02:26:32.901467Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/auth0/omniauth-auth0

Affected ranges

Type
GIT
Repo
https://github.com/auth0/omniauth-auth0
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

v1.*

v1.4.0
v1.4.1
v1.4.2

v2.*

v2.0.0
v2.1.0
v2.2.0
v2.3.0
v2.3.1
v2.4.0