USN-7309-1: Ruby SAML vulnerabilities

28 February 2025

Several security issues were fixed in Ruby SAML.

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Details

It was discovered that Ruby SAML did not properly validate SAML responses.
An unauthenticated attacker could use this vulnerability to log in as an
abitrary user. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-5697)

It was discovered that Ruby SAML incorrectly utilized the results of XML
DOM traversal and canonicalization APIs. An unauthenticated attacker could
use this vulnerability to log in as an abitrary user. This issue only
affected Ubuntu 16.04 LTS. (CVE-2017-11428)

It was discovered that Ruby SAML did not properly verify the signature of
the SAML Response, allowing multiple elements with the same ID. An
unauthenticated attacker could use this vulnerability to log in as an
abitrary user. (CVE-2024-45409)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 24.10
Ubuntu 24.04
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

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

References

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