PySAML2 could be made to bypass signature verification with arbitrary data.
It was discovered that PySAML2 incorrectly handled certain SAML files. An attacker could possibly use this issue to bypass signature verification with arbitrary data.
21 January 2020
A security issue affects these releases of Ubuntu and its derivatives:
PySAML2 could be made to bypass signature verification with arbitrary data.
It was discovered that PySAML2 incorrectly handled certain SAML files. An attacker could possibly use this issue to bypass signature verification with arbitrary data.
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.