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CVSS: 8.6EPSS: 0%CPEs: 2EXPL: 0

11 Mar 2025 — The SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. Prior to versions 4.17.0 and 5.0.0-alpha.20, there is a signature confusion attack in the HTTPRedirect binding. An attacker with any signed SAMLResponse via the HTTP-Redirect binding can cause the application to accept an unsigned message. Versions 4.17.0 and 5.0.0-alpha.20 contain a fix for the issue. • https://github.com/simplesamlphp/saml2/blob/9545abd0d9d48388f2fa00469c5c1e0294f0303e/src/SAML2/HTTPRedirect.php#L104-L113 • CWE-347: Improper Verification of Cryptographic Signature •

CVSS: 8.3EPSS: 0%CPEs: 2EXPL: 0

02 Dec 2024 — SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. When loading an (untrusted) XML document, for example the SAMLResponse, it's possible to induce an XXE. This vulnerability is fixed in 4.6.14 and 5.0.0-alpha.18. La librería SAML2 SimpleSAMLphp es una librería PHP para funciones relacionadas con SAML2. Al cargar un documento XML (no confiable), por ejemplo, SAMLResponse, es posible inducir un XXE. • https://github.com/simplesamlphp/saml2/commit/5fd4ce4596656fb0c1278f15b8305825412e89f7 • CWE-611: Improper Restriction of XML External Entity Reference •

CVSS: 8.1EPSS: 0%CPEs: 5EXPL: 0

05 Mar 2018 — HTTPRedirect.php in the saml2 library in SimpleSAMLphp before 1.15.4 has an incorrect check of return values in the signature validation utilities, allowing an attacker to get invalid signatures accepted as valid by forcing an error during validation. This occurs because of a dependency on PHP functionality that interprets a -1 error code as a true boolean value. HTTPRedirect.php en la biblioteca saml2 en SimpleSAMLphp, en versiones anteriores a la 1.15.4, tiene una comprobación incorrecta de valores de ret... • https://github.com/simplesamlphp/saml2/commit/4f6af7f69f29df8555a18b9bb7b646906b45924d • CWE-347: Improper Verification of Cryptographic Signature •

CVSS: 7.5EPSS: 0%CPEs: 5EXPL: 0

02 Feb 2018 — The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp. La librería SAML2 en versiones 1.10.4, 2.x anteriores a la 2.3.5 y 3.x anteriores a la 3.1.1 en SimpleSAMLphp tiene una vulnerabilidad de denegación de servicio por expresión regular para los datos en fracciones de segundo en una marca de tiempo. Several vulnerabilities have been discovered in SimpleSAMLphp, a framework... • https://simplesamlphp.org/security/201801-01 • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') •