QID 730015

Date Published: 2021-04-07

QID 730015: SimpleSAMLphp Signature validation bypass Vulnerability(201911-01)

SimpleSAMLphp is an award-winning application written in native PHP that deals with authentication.

Affected Versions:
SimpleSAMLphp versions are affected, up to (including) 1.17.6.

QID Detection Logic:(Unauthenticated)
This QID checks for vulnerable version of SimpleSAMLphp

An attacker could leverage this issue to manually craft an assertion and have the message validated as correctly signed without access to the signing key. This message will then be consumed by a SimpleSAMLphp service provider and the malicious assertion will be processed as if it was legal.

CVSS V3 rated as Critical - 8.8 severity.

CVSS V2 rated as High - 6.5 severity.

Solution

Customers are advised upgrade to the SimpleSAMLphp installation to version 3.0.4 or 2.1.1. For more information please visit 201911-01

Vendor References

201911-01 - simplesamlphp.org/security/201911-01

CVEs related to QID 730015

CVE-2019-3465 |

Software Advisories

Advisory ID	Software	Component	Link
201911-01			simplesamlphp.org/security/201911-01

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