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Ubuntu: 7409-1 critical: ruby-saml signature attack & DoS

ubuntu
Calendar Grey April 3, 2025
Dist Ubuntu Esm H88
Tackling vulnerabilities in the ruby-saml library across various Ubuntu LTS releases. Upgrade immediately to enhance your system's safety!
Several security issues were fixed in ruby-saml.

Summary

Several security issues were fixed in ruby-saml.

Software Description:

- ruby-saml: SAML toolkit for Ruby on Rails

Details:

It was discovered that ruby-saml did not correctly handle XML parsing.

An attacker could possibly use this issue to perform a signature

wrapping attack and bypass authentication. (CVE-2025-25291

and CVE-2025-25292)

It was discovered that ruby-saml did not correctly handle decompressing

SAML responses. An attacker could possibly use this issue to cause

a denial of service. (CVE-2025-25293)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu update instructions ruby-saml signature attack

Update Instructions

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

Ubuntu 24.10
   ruby-saml                       1.15.0-1ubuntu0.24.10.2

Ubuntu 24.04 LTS
   ruby-saml                       1.15.0-1ubuntu0.24.04.1+esm1
                                   Available with Ubuntu Pro

Ubuntu 22.04 LTS
   ruby-saml                       1.13.0-1ubuntu0.1+esm1
                                   Available with Ubuntu Pro

Ubuntu 20.04 LTS
   ruby-saml                       1.11.0-1ubuntu0.1+esm1
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   ruby-saml                       1.7.2-1ubuntu0.1~esm2
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   ruby-saml                       1.1.2-1ubuntu1+esm2
                                   Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-7409-1

  CVE-2025-25291, CVE-2025-25292, CVE-2025-25293

Severity
critical
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu update instructions ruby-saml signature attack

Package Information

https://launchpad.net/ubuntu/+source/ruby-saml/1.15.0-1ubuntu0.24.10.2

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