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Ubuntu 7364-1: OpenSAML Security Advisory Updates

Calendar Mar 27, 2025 • User Avatar LinuxSecurity Advisories
2 - 3 min read
Ubuntu Large Esm H500
Topics%20covered

Topics Covered

security advisory security update authentication bypass OpenSAML Ubuntu 24.10 libsaml
OpenSAML and OpenSAML2 could have their authentication systems bypassed. 
==========================================================================
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://bugs.launchpad.net/ubuntu/+source/opensaml/+bug/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

Ubuntu 7364-1: OpenSAML Security Advisory Updates

ubuntu
Calendar Grey March 27, 2025
Dist Ubuntu Esm H88
A security advisory detailing a vulnerability in OpenSAML affecting multiple Ubuntu releases. Immediate updates recommended.
OpenSAML and OpenSAML2 could have their authentication systems bypassed.

Summary

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.

Topics%20covered

Topics Covered

security advisory security update authentication bypass OpenSAML Ubuntu 24.10 libsaml

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://bugs.launchpad.net/ubuntu/+source/opensaml/+bug/2103420

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7364-1

Topics%20covered

Topics Covered

security advisory security update authentication bypass OpenSAML Ubuntu 24.10 libsaml

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

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