A denial of service vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and earlier in BasicAuthenticationFilter.java, BasicHeaderApiTokenAuthenticator.java that allows attackers to create ephemeral in-memory user records by attempting to log in using invalid credentials.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-1999043 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 6.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | Low |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenShift Enterprise 3.2 | jenkins | Affected |
| Red Hat OpenShift Enterprise 3.1 | jenkins | Affected |
| Red Hat OpenShift Enterprise 3.0 | jenkins | Affected |
| Red Hat OpenShift Container Platform 3.9 | jenkins | Affected |
| Red Hat OpenShift Container Platform 3.7 | jenkins | Affected |
| Red Hat OpenShift Container Platform 3.6 | jenkins | Affected |
| Red Hat OpenShift Container Platform 3.5 | jenkins | Affected |
| Red Hat OpenShift Container Platform 3.4 | jenkins | Affected |
| Red Hat OpenShift Container Platform 3.3 | jenkins | Affected |
| Red Hat OpenShift Container Platform 3.11 | jenkins | Not affected |
| Red Hat OpenShift Container Platform 3.10 | jenkins | Affected |
Vulmon