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Vulnerabilidades / CVE-2025-66567

crítica

CVE-2025-66567

Ruby-saml has a SAML authentication bypass due to namespace handling (parser differential)

Publicada Modificada CWE 347
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.

Severidad por fuente

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
GHSA9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, GHSA, Ruby Advisory DB.

Descripción

The ruby-saml library is for implementing the client side of a SAML authorization. ruby-saml versions up to and including 1.12.4 contain an authentication bypass vulnerability due to an incomplete fix for CVE-2025-25292. ReXML and Nokogiri parse XML differently, generating entirely different document structures from the same input. This allows an attacker to execute a Signature Wrapping attack. This issue is fixed in version 1.18.0.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
rubygems::GitHub Security Advisory RubyGemsruby-saml1.18.0
rubygems::Ruby Advisory Databaseruby-saml>= 1.18.0
rapidfort ubuntu 20.04ruby-samlsin corrección indicada
rapidfort ubuntu 22.04ruby-samlsin corrección indicada
rapidfort ubuntu 24.04ruby-samlsin corrección indicada

Referencias

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.