========================================================================== 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: https://ubuntu.com/security/notices/USN-5526-1 CVE-2022-29217 Package Information: https://launchpad.net/ubuntu/+source/pyjwt/2.3.0-1ubuntu0.1 https://launchpad.net/ubuntu/+source/pyjwt/1.7.1-2ubuntu2.1 https://launchpad.net/ubuntu/+source/pyjwt/1.5.3+ds1-1ubuntu0.1
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