GitHub Advisoryadvisory · Maven

GHSA-pf38-cw3p-22q9 Keycloak is vulnerable to IDN homograph attack

MEDIUM Published 2022-04-28 Modified 2022-04-28 Official page ↗
Aliases
CVE-2021-3424
Ecosystem
Maven
Packages
org.keycloak:keycloak-services
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-287
Reviewed
2022-04-28

Affected packages

• Maven org.keycloak:keycloak-services: < 18.0.0 → fixed in 18.0.0

Description

A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.

Related

Alias · CVE (1)

  • CVE-2021-3424 A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. vulnerability

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

References