1. Ubuntu Security Notices
  2. USN-3520-1

USN-3520-1: PySAML2 vulnerability

Publication date

8 January 2018

Overview

PySAML2 could allow authentication without a password.

Releases

Packages

Details

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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful python-pysaml2 –  3.0.0-3ubuntu2.2
python3-pysaml2 –  3.0.0-3ubuntu2.2
17.04 zesty python-pysaml2 –  3.0.0-3ubuntu1.17.04.3
python3-pysaml2 –  3.0.0-3ubuntu1.17.04.3
16.04 xenial python-pysaml2 –  3.0.0-3ubuntu1.16.04.3
python3-pysaml2 –  3.0.0-3ubuntu1.16.04.3

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References

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