Fluid Attacks Database

Description

gree/jose - "None" Algorithm treated as valid in 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).

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Package	Affected version	Patched versions
packagist	gree/jose	>=0 <=2.2.0	2.2.1

Aliases

1. GCVE-GHSA-9gxv-x7rp-r2hc

References

1. https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries2. https://auth0.com/blog/critical-vulnerabilities-in-json-web-token-libraries3. https://github.com/FriendsOfPHP/security-advisories/blob/master/gree/jose/2016-08-30.yaml

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