CVE-2020-15240

Description

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 SDKs default Authorization Code Flow. The issue is patched in version 2.4.1.

Risk Information

Base Score

9.1

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Score

Exploitation Probability

0.087

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2020-15240 are fixed in Ruby-omniauth-auth0 2.4.1	Windows
Vulnerabilities CVE-2020-15240 are fixed in Ruby-omniauth-auth0 for Linux 2.4.1	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234