Thursday, September 9, 2021

Ubuntu Security Notice USN-5066-1

Ubuntu Security Notice USN-5066-1
September 08, 2021

python-pysaml2 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS


PySAML2 could be made to accept invalid SAML documents.

Software Description:
- python-pysaml2: Pure python implementation of SAML2


Brian Wolff discovered that PySAML2 incorrectly validated cryptographic
signatures. A remote attacker could possibly use this issue to alter SAML

Update instructions:

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

Ubuntu 21.04:
python3-pysaml2 6.1.0-0ubuntu1.21.04.1

Ubuntu 20.04 LTS:
python3-pysaml2 4.9.0-0ubuntu3.1

Ubuntu 18.04 LTS:
python-pysaml2 4.0.2-0ubuntu3.2
python3-pysaml2 4.0.2-0ubuntu3.2

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


Package Information:

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Thanks for everything Templateism - You should have written the code a little more complicated