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CVE-2023-3597

Good to know:

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Date: April 25, 2024

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.

Language: Java

Severity Score

Related Resources (10)

https://access.redhat.com/errata/RHSA-2024:1868
https://access.redhat.com/errata/RHSA-2024:1867
https://bugzilla.redhat.com/show_bug.cgi?id=2221760
https://nvd.nist.gov/vuln/detail/CVE-2023-3597
https://access.redhat.com/security/cve/CVE-2023-3597
https://github.com/keycloak/keycloak/security/advisories/GHSA-4f53-xh3v-g8x4
https://github.com/keycloak/keycloak
https://access.redhat.com/errata/RHSA-2024:1866
https://github.com/keycloak/keycloak/commit/aa634aee882892960a526e49982806e103c8a432
https://www.mend.io/vulnerability-database/CVE-2023-3597

Severity Score

Weakness Type (CWE)

Improper Authentication

CWE-287

Authentication Bypass Using an Alternate Path or Channel

CWE-288

Top Fix

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Upgrade to version org.keycloak:keycloak-services:24.0.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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