CVE-2017-12158
It was found that keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.
Find out more about CVE-2017-12158 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v3 metrics
| CVSS3 Base Score | 5.4 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | None |
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Single Sign-On 7.1 for RHEL 6 Server (rh-sso7-keycloak) | RHSA-2017:2904 | 2017-10-17 |
| Red Hat Single Sign-On 7.1 | RHSA-2017:2906 | 2017-10-17 |
| Red Hat Single Sign-On 7.1 for RHEL 7 Server (rh-sso7-keycloak) | RHSA-2017:2905 | 2017-10-17 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Single Sign-On 7 | keycloak | Will not fix |
| Red Hat Mobile Application Platform On-Premise 4 | keycloak | Will not fix |