PyJWT could be made to crash if it received specially crafted input.
It was discovered that a vulnerability in PyJWT doesn’t check invalid_strings properly for some public keys. A remote attacker could take advantage of a key confusion to craft JWTs from scratch.
30 August 2017
A security issue affects these releases of Ubuntu and its derivatives:
PyJWT could be made to crash if it received specially crafted input.
It was discovered that a vulnerability in PyJWT doesn’t check invalid_strings properly for some public keys. A remote attacker could take advantage of a key confusion to craft JWTs from scratch.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon