[USN-5526-1] PyJWT vulnerability


========================================================================== Ubuntu Security Notice USN-5526-1 July 20, 2022
pyjwt vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 22.04 LTS – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS
Summary:
PyJWT could allow signature forgery.
Software Description: – pyjwt: Python 3 implementation of JSON Web Token
Details:
Aapo Oksman discovered that PyJWT incorrectly handled signatures constructed from SSH public keys. A remote attacker could use this to forge a JWT signature.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04 LTS: python3-jwt 2.3.0-1ubuntu0.1
Ubuntu 20.04 LTS: python3-jwt 1.7.1-2ubuntu2.1
Ubuntu 18.04 LTS: python-jwt 1.5.3+ds1-1ubuntu0.1 python3-jwt 1.5.3+ds1-1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5526-1 CVE-2022-29217
Package Information: launchpad.net/ubuntu/+source/pyjwt/2.3.0-1ubuntu0.1 launchpad.net/ubuntu/+source/pyjwt/1.7.1-2ubuntu2.1 launchpad.net/ubuntu/+source/pyjwt/1.5.3+ds1-1ubuntu0.1