GHSA-pf38-cw3p-22q9
Keycloak is vulnerable to IDN homograph attack
At a glance
- Published
- Updated
- CVE
- CVE-2021-3424
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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.
Affected packages
| Package | Versions |
|---|---|
| Maven · org.keycloak:keycloak-services | introduced 0, fixed 18.0.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-3424 ADVISORY
- https://bugzilla.redhat.com/show_bug.cgi?id=1933320 WEB
- https://github.com/keycloak/keycloak PACKAGE
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |