USN-3520-1: PySAML2 vulnerability

08 January 2018

PySAML2 could allow authentication without a password.




It was discovered that PySAML2 incorrectly accepted any password when run
with python optimizations enabled. An attacker could use this issue to
authenticate as any user without a valid password.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.10
Ubuntu 17.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.