CVE-2023-3597

Keycloak: secondary factor bypass in step-up authentication

Description

A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication.

Category

5.0
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat build of Keycloak 22
Affected: Red Hat Red Hat build of Keycloak 22
Affected: Red Hat Red Hat build of Keycloak 22
Affected: Red Hat Red Hat build of Keycloak 22.0.10
Affected: Red Hat RHSSO 7.6.8
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2024:1866 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1867 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1868 vendor advisory
https://access.redhat.com/security/cve/CVE-2023-3597 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2221760 issue tracking

Frequently Asked Questions

What is the severity of CVE-2023-3597?
CVE-2023-3597 has been scored as a medium severity vulnerability.
How to fix CVE-2023-3597?
To fix CVE-2023-3597, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-3597 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-3597 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3597?
CVE-2023-3597 affects Red Hat Red Hat build of Keycloak 22, Red Hat Red Hat build of Keycloak 22, Red Hat Red Hat build of Keycloak 22, Red Hat Red Hat build of Keycloak 22.0.10, Red Hat RHSSO 7.6.8.
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