Headline
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).
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- GitHub Advisory Database
- GitHub Reviewed
- GHSA-h533-5v22-8vcp
firebase/php-jwt: “None” Algorithm treated as valid on tokens
Critical severity GitHub Reviewed Published May 15, 2024 to the GitHub Advisory Database • Updated May 15, 2024
Package
composer firebase/php-jwt (Composer)
Affected versions
< 2.0.0
Description
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
- firebase/php-jwt@b2c2be6
- 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
Published to the GitHub Advisory Database
May 15, 2024
Last updated
May 15, 2024