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CVE-2024-45409

10.0 · CRITICAL

The Ruby SAML library is for implementing the client side of a SAML authorization.

Published Sep 10, 2024CWE-347EPSS 10.68%

Overview

CVE-2024-45409 is a critical-severity vulnerability. It was published on September 10, 2024 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The Ruby SAML library is for implementing the client side of a SAML authorization. Ruby-SAML in <= 12.2 and 1.13.0 <= 1.16.0 does not properly verify the signature of the SAML Response. An unauthenticated attacker with access to any signed saml document (by the IdP) can thus forge a SAML Response/Assertion with arbitrary contents. This would allow the attacker to log in as arbitrary user within the vulnerable system. This vulnerability is fixed in 1.17.0 and 1.12.3.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/SAML-Toolkits/ruby-saml/commit/1ec5392bc506fe43a02dbb66b68741051c5ffeaeGitHubgithub.com/SAML-Toolkits/ruby-saml/commit/4865d030cae9705ee5cdb12415c654c634093ae7GitHubgithub.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2GitHubgithub.com/omniauth/omniauth-saml/security/advisories/GHSA-cvp8-5r8g-fhvqReflists.debian.org/debian-lts-announce/2024/11/msg00006.htmlRefnews.ycombinator.com/item?id=41586031Refsecurity.netapp.com/advisory/ntap-20240926-0008/Refssoready.com/blog/engineering/ruby-saml-pwned-by-xml-signature-wrapping-attacks/

How CyberStrike helps

Frequently asked questions

What is CVE-2024-45409?

CVE-2024-45409 is a critical-severity vulnerability. It was published on September 10, 2024 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2024-45409?

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-45409?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-45409?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-45409 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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