GHSA-h533-5v22-8vcp: firebase/php-jwt: "None" Algorithm treated as valid on tokens
Several widely-used JSON Web Token (JWT) libraries, including node-jsonwebtoken, pyjwt, namshi/jose, php-jwt, and jsjwt, are affected by critical vulnerabilities that could allow attackers to bypass the verification step when using asymmetric keys (RS256, RS384, RS512, ES256, ES384, ES512).
Published May 15, 2024
Affected packages
firebase/php-jwt
- Ecosystem
- Composer (PHP)
- Affected
- < 2.0.0
- Fixed in
- 2.0.0
- Check
composer show firebase/php-jwt
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
Several widely-used JSON Web Token (JWT) libraries, including node-jsonwebtoken, pyjwt, namshi/jose, php-jwt, and jsjwt, are affected by critical vulnerabilities that could allow attackers to bypass the verification step when using asymmetric keys (RS256, RS384, RS512, ES256, ES384, ES512).
References
- https://github.com/firebase/php-jwt/commit/b2c2be6a45fda769c8c2ffe5ec4259a9d1e46e5b
- https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries
- https://auth0.com/blog/critical-vulnerabilities-in-json-web-token-libraries
- https://github.com/FriendsOfPHP/security-advisories/blob/master/firebase/php-jwt/2015-04-02.yaml
- https://github.com/advisories/GHSA-h533-5v22-8vcp
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology