VULNERABILITY

Debian: CVE-2025-27773: simplesamlphp -- security update

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Debian: CVE-2025-27773: simplesamlphp -- security update

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
03/11/2025
Created
05/13/2025
Added
05/12/2025
Modified
05/12/2025

Description

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.

Solution(s)

  • debian-upgrade-simplesamlphp

References

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