CVE-2023-1664

MEDIUM6.5EPSS 0.25%

Keycloak Untrusted Certificate Validation vulnerability

Published: 6/30/2023Modified: 2/16/2024

Description

A flaw was found in keycloak-core. This flaw considers the scenario when using X509 Client Certificate Authenticatior with the option "Revalidate Client Certificate". A user may be able to choose, if directly connect to keycloak (not passing via reverse proxy) a specific certificate. If there's a configuration error in KC_SPI_TRUSTSTORE_FILE_FILE the authenticator allows even with the "Cannot validate client certificate trust: Truststore not available" message as there's no certificate to trust against.

Affected packages (1)

Maven/org.keycloak:keycloak-corefrom 0, < 21.1.2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References (5)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-1664
PATCHhttps://github.com/keycloak/keycloak
WEBhttps://access.redhat.com/security/cve/CVE-2023-1664
WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=2182196&comment#0
WEBhttps://github.com/keycloak/keycloak/security/advisories/GHSA-5cc8-pgp5-7mpm