It was found that volume security can be sidestepped with innocent emptyDir and subpath. This could give an attacker with access to a pod full control over the node host by gaining access to docker socket.
Find out more about CVE-2017-1002101 from the MITRE CVE dictionary dictionary and NIST NVD.
This flaw allows a pod to mount any part of the host filesystem. The pod will run with the security contraints placed on the user but could read anything with o=rx mode and appropriate SELinux label.
| CVSS3 Base Score | 7.2 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | High |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | High |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat OpenShift Container Platform 3.6 (atomic-openshift) | RHSA-2018:0475 | 2018-03-12 |
| Red Hat OpenShift Container Platform 3.7 (atomic-openshift) | RHSA-2018:0475 | 2018-03-12 |
| Red Hat OpenShift Container Platform 3.4 (atomic-openshift) | RHSA-2018:0475 | 2018-03-12 |
| Red Hat OpenShift Container Platform 3.5 (atomic-openshift) | RHSA-2018:0475 | 2018-03-12 |
| Red Hat OpenShift Container Platform 3.3 (atomic-openshift) | RHSA-2018:0475 | 2018-03-12 |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenShift Enterprise 3 | Storage | Affected |
| Red Hat Gluster Storage 3 | heketi | Not affected |
| Red Hat Enterprise Linux 7 | kubernetes | Will not fix |
Vulmon