A flaw was found in JBOSS Keycloak 3.2.1.Final. The Redirect URL for both Login and Logout are not normalized in org.keycloak.protocol.oidc.utils.RedirectUtils before the redirect url is verified. This can lead to an Open Redirection attack
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-14658 from the MITRE CVE dictionary dictionary and NIST NVD.
| CVSS3 Base Score | 6.1 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Changed |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | None |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Single Sign-On 7.1 for RHEL 7 Server (rh-sso7-keycloak) | RHSA-2018:3593 | 2018-11-13 |
| Red Hat Single Sign-On 7.2 | RHSA-2018:3595 | 2018-11-13 |
| Red Hat Single Sign-On 7.1 for RHEL 6 Server (rh-sso7-keycloak) | RHSA-2018:3592 | 2018-11-13 |
| Platform | Package | State |
|---|---|---|
| Red Hat Single Sign-On 7 | keycloak | Affected |
| Red Hat Mobile Application Platform On-Premise 4 | keycloak | Under investigation |
| Red Hat JBoss Fuse 7 | keycloak | Under investigation |
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