Ubuntu 5066-1: PySAML2 vulnerability

Advisories

==========================================================================
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

Summary:

PySAML2 could be made to accept invalid SAML documents.

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

Details:

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

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.

References:
  https://ubuntu.com/security/notices/USN-5066-1
  CVE-2021-21239

Package Information:
  https://launchpad.net/ubuntu/+source/python-pysaml2/6.1.0-0ubuntu1.21.04.1
  https://launchpad.net/ubuntu/+source/python-pysaml2/4.9.0-0ubuntu3.1
  https://launchpad.net/ubuntu/+source/python-pysaml2/4.0.2-0ubuntu3.2

Ubuntu 5066-1: PySAML2 vulnerability

September 8, 2021

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.04 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: PySAML2 could be made to accept invalid SAML documents. Software Description: - python-pysaml2: Pure python implementation of SAML2 Details: Brian Wolff discovered that PySAML2 incorrectly validated cryptographic signatures. A remote attacker could possibly use this issue to alter SAML documents.

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.

References

https://ubuntu.com/security/notices/USN-5066-1

CVE-2021-21239

Severity
Ubuntu Security Notice USN-5066-1

Package Information

https://launchpad.net/ubuntu/+source/python-pysaml2/6.1.0-0ubuntu1.21.04.1 https://launchpad.net/ubuntu/+source/python-pysaml2/4.9.0-0ubuntu3.1 https://launchpad.net/ubuntu/+source/python-pysaml2/4.0.2-0ubuntu3.2

We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.