It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks.
Find out more about CVE-2017-12159 from the MITRE CVE dictionary dictionary and NIST NVD.
| 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 |
| 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 |
| Platform | Package | State |
|---|---|---|
| Red Hat Single Sign-On 7 | keycloak | Will not fix |
| Red Hat Mobile Application Platform On-Premise 4 | keycloak | Not affected |
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