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Keycloak Authentication Error

Moderate severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Oct 6, 2023

Package

maven org.keycloak:keycloak-saml-adapter-core (Maven)

Affected versions

< 4.4.0.Final

Patched versions

4.4.0.Final
maven org.keycloak:keycloak-services (Maven)
< 4.4.0.Final
4.4.0.Final

Description

It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.

References

Published by the National Vulnerability Database Aug 1, 2018
Published to the GitHub Advisory Database May 13, 2022
Reviewed Jul 21, 2023
Last updated Oct 6, 2023

Severity

Moderate
5.4
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Weaknesses

CVE ID

CVE-2018-10894

GHSA ID

GHSA-xvv8-8wh9-9fh2

Source code

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