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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

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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