==========================================================================
Ubuntu Security Notice USN-7364-1
March 21, 2025

opensaml vulnerability
==========================================================================

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

- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

OpenSAML and OpenSAML2 could have their authentication systems bypassed.

Software Description:
- opensaml: Security Assertion Markup Language library (development)
- opensaml2: Security Assertion Markup Language library (development)

Details:

Alexander Tan discovered that the OpenSAML C++ library was susceptible to
forging of signed SAML messages. An attacker could possibly use this issue
to gain unauthorized access to a system and manipulate sensitive
information.

Update instructions:

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

Ubuntu 24.10
  libsaml-dev                     3.2.1-4.1ubuntu0.24.10.1
  libsaml12t64                    3.2.1-4.1ubuntu0.24.10.1
  opensaml-schemas                3.2.1-4.1ubuntu0.24.10.1
  opensaml-tools                  3.2.1-4.1ubuntu0.24.10.1

Ubuntu 24.04 LTS
  libsaml-dev                     3.2.1-4.1ubuntu0.24.04.1
  libsaml12t64                    3.2.1-4.1ubuntu0.24.04.1
  opensaml-schemas                3.2.1-4.1ubuntu0.24.04.1
  opensaml-tools                  3.2.1-4.1ubuntu0.24.04.1

Ubuntu 22.04 LTS
  libsaml-dev                     3.2.1-1ubuntu0.1
  libsaml12                       3.2.1-1ubuntu0.1
  opensaml-schemas                3.2.1-1ubuntu0.1
  opensaml-tools                  3.2.1-1ubuntu0.1

Ubuntu 20.04 LTS
  libsaml-dev                     3.0.1-1ubuntu0.1
  libsaml10                       3.0.1-1ubuntu0.1
  opensaml-schemas                3.0.1-1ubuntu0.1
  opensaml-tools                  3.0.1-1ubuntu0.1

Ubuntu 18.04 LTS
  libsaml2-dev                    2.6.1-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  libsaml9                        2.6.1-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  opensaml2-schemas               2.6.1-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  opensaml2-tools                 2.6.1-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libsaml2-dev                    2.5.5-1ubuntu0.1+esm1
                                  Available with Ubuntu Pro
  libsaml8v5                      2.5.5-1ubuntu0.1+esm1
                                  Available with Ubuntu Pro
  opensaml2-schemas               2.5.5-1ubuntu0.1+esm1
                                  Available with Ubuntu Pro
  opensaml2-tools                 2.5.5-1ubuntu0.1+esm1
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7364-1
  https://launchpad.net/bugs/2103420

Package Information:
https://launchpad.net/ubuntu/+source/opensaml/3.2.1-4.1ubuntu0.24.10.1
https://launchpad.net/ubuntu/+source/opensaml/3.2.1-4.1ubuntu0.24.04.1
  https://launchpad.net/ubuntu/+source/opensaml/3.2.1-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/opensaml/3.0.1-1ubuntu0.1