CVE-2025-27773
HighSummary
Biblioteka SAML2 w SimpleSAMLphp, przed wersjami 4.17.0 i 5.0.0-alpha.20, jest podatna na atak związany z myleniem podpisów w powiązaniu HTTP-Redirect. Atakujący posiadający dowolną podpisaną odpowiedź SAML mogą spowodować, że aplikacja zaakceptuje niespodpisaną wiadomość.
Risk Assessment
Organizacja może być narażona na przyjęcie nieautoryzowanych wiadomości, co może prowadzić do poważnych naruszeń bezpieczeństwa i utraty danych.
Recommendation
Zaleca się aktualizację do wersji 4.17.0 lub 5.0.0-alpha.20, które zawierają poprawkę rozwiązującą ten problem.
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

