The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-14637 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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