CVE-2024-45409: The Ruby SAML library vulnerable to a SAML authentication bypass via Incorrect XPath selector
First published: Tue Sep 10 2024(Updated: )
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 was reported by ahacker1 of SecureSAML (ahacker1@securesaml.com)
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| rubygems/ruby-saml | >=1.13.0<1.17.0 | 1.17.0 |
| rubygems/ruby-saml | <1.12.3 | 1.12.3 |
| OneLogin Ruby-SAML | <1.12.3 | |
| OneLogin Ruby-SAML | >=1.13.0<1.17.0 | |
| Omniauth Omniauth Saml Ruby | <=1.10.3 | |
| Omniauth Omniauth Saml Ruby | =2.0.0 | |
| Omniauth Omniauth Saml Ruby | =2.1.0 | |
| GitLab GitLab | <16.11.10 | |
| GitLab GitLab | >=17.0.0<17.0.8 | |
| GitLab GitLab | >=17.1.0<17.1.8 | |
| GitLab GitLab | >=17.2.0<17.2.7 | |
| GitLab GitLab | >=17.3.0<17.3.3 |
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Reference Links
- https://github.com/SAML-Toolkits/ruby-saml/commit/1ec5392bc506fe43a02dbb66b68741051c5ffeae
- https://github.com/SAML-Toolkits/ruby-saml/commit/4865d030cae9705ee5cdb12415c654c634093ae7
- https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2
- https://github.com/omniauth/omniauth-saml/security/advisories/GHSA-cvp8-5r8g-fhvq
- https://nvd.nist.gov/vuln/detail/CVE-2024-45409
- https://github.com/omniauth/omniauth-saml/commit/4274e9d57e65f2dcaae4aa3b2accf831494f2ddd
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-saml/CVE-2024-45409.yml
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ruby-saml/CVE-2024-45409.yml
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-saml/GHSA-cvp8-5r8g-fhvq.yml
- https://github.com/advisories/GHSA-jw9c-mfg7-9rx2 (Advisory)
- https://www.bleepingcomputer.com/news/security/gitlab-releases-fix-for-critical-saml-authentication-bypass-flaw/
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