CVE-2021-46743 - firebase/php-jwt

[mohamad-elbohsaly]

Upon using AWS inspector, I found the below scanning results:

In Firebase PHP-JWT before 6.0.0, an algorithm-confusion issue (e.g., RS256 / HS256) exists via the kid (aka Key ID) header, when multiple types of keys are loaded in a key ring. This allows an attacker to forge tokens that validate under the incorrect key. NOTE: this provides a straightforward way to use the PHP-JWT library unsafely, but might not be considered a vulnerability in the library itself.

Current version: 5.5.1

P.S. The command composer require firebase/php-jwt:6.0.0 is causing other dependency problems

[martindrapeau]

I am facing this issue as well. How does one overcome this?