GSA_kwCzR0hTQS00ZjUzLXhoM3YtZzh4NM4AA7I2

Moderate EPSS: 0.00068% (0.21322 Percentile) EPSS:

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Keycloak secondary factor bypass in step-up authentication

Affected Packages	Affected Versions	Fixed Versions
maven:org.keycloak:keycloak-services	>= 23.0.0, < 24.0.3, < 22.0.10	24.0.3, 22.0.10
90 Dependent packages 561 Dependent repositories Affected Version Ranges All affected versions 5.0.0, 6.0.0, 6.0.1, 7.0.0, 7.0.1, 8.0.0, 8.0.1, 8.0.2, 9.0.0, 9.0.2, 9.0.3, 10.0.0, 10.0.1, 10.0.2, 11.0.0, 11.0.1, 11.0.2, 11.0.3, 12.0.0, 12.0.1, 12.0.2, 12.0.3, 12.0.4, 13.0.0, 13.0.1, 14.0.0, 15.0.0, 15.0.1, 15.0.2, 15.1.0, 15.1.1, 16.0.0, 16.1.0, 16.1.1, 17.0.0, 17.0.1, 18.0.0, 18.0.1, 18.0.2, 19.0.0, 19.0.1, 19.0.2, 19.0.3, 20.0.0, 20.0.1, 20.0.2, 20.0.3, 20.0.4, 20.0.5, 21.0.0, 21.0.1, 21.0.2, 21.1.0, 21.1.1, 21.1.2, 22.0.0, 22.0.1, 22.0.2, 22.0.3, 22.0.4, 22.0.5, 23.0.0, 23.0.1, 23.0.2, 23.0.3, 23.0.4, 23.0.5, 23.0.6, 23.0.7, 24.0.0, 24.0.1, 24.0.2 All unaffected versions 24.0.3, 24.0.4, 24.0.5, 25.0.0, 25.0.1, 25.0.2, 25.0.3, 25.0.4, 25.0.5, 25.0.6, 26.0.0, 26.0.1, 26.0.2, 26.0.3, 26.0.4, 26.0.5, 26.0.6, 26.0.7, 26.0.8, 26.1.0, 26.1.1, 26.1.2, 26.1.3, 26.1.4, 26.1.5, 26.2.0, 26.2.1, 26.2.2, 26.2.3, 26.2.4, 26.2.5, 26.3.0, 26.3.1, 26.3.2

Keycloak does not correctly validate its client step-up authentication. A password-authed attacker could use this flaw to register a false second auth factor, alongside the existing one, to a targeted account. The second factor then permits step-up authentication.

References:

Identifiers

GHSA-4f53-xh3v-g8x4

CVE-2023-3597

Risk

Severity

Moderate

EPSS

EPSS Percentage: 0.00068

EPSS Percentile: 0.21322

Classification

General

Source

GitHub Advisory Database

Origin

Unspecified

Repository

https://github.com/keycloak/keycloak

Date and time

Published

over 1 year ago

Updated

12 months ago

API

JSON

ecosyste.ms

Data

Tools

Indexes

Applications

Experiments

Advisories