CVE-2017-1002101
kubernetes: Volume security can be sidestepped with innocent emptyDir and subpath
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut Red Hat (hoch), Kubernetes (hoch), Oracle (hoch).
Beschreibung
In Kubernetes versions 1.3.x, 1.4.x, 1.5.x, 1.6.x and prior to versions 1.7.14, 1.8.9 and 1.9.4 containers using subpath volume mounts with any volume type (including non-privileged pods, subject to file permissions) can access files/directories outside of the volume, including the host's filesystem.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| debian 11 | kubernetes | 1.7.16+dfsg-1 |
| debian 12 | kubernetes | 1.7.16+dfsg-1 |
| debian 13 | kubernetes | 1.7.16+dfsg-1 |
| debian 14 | kubernetes | 1.7.16+dfsg-1 |
| echo | kubernetes | 1.7.16+dfsg-1 |
| k8s::Official Kubernetes CVE Feed | k8s.io/apiserver, k8s.io/kubelet | 1.7.14, 1.8.9, 1.9.4 |
| Oracle Linux 7 | kubeadm, kubectl, kubelet | 1.9.1-2.1.5.el7 |
| Red Hat | kubernetes, kubernetes-client, kubernetes-master und 1 weitere | kein Fix angegeben |
Alle 14 Einträge aus 8 Quellen zeigen
| Quelle | Paket | Behoben in |
|---|---|---|
| debian 11 | kubernetes | 1.7.16+dfsg-1 |
| debian 12 | kubernetes | 1.7.16+dfsg-1 |
| debian 13 | kubernetes | 1.7.16+dfsg-1 |
| debian 14 | kubernetes | 1.7.16+dfsg-1 |
| echo | kubernetes | 1.7.16+dfsg-1 |
| k8s::Official Kubernetes CVE Feed | k8s.io/apiserver | 1.7.14, 1.8.9, 1.9.4 |
| k8s::Official Kubernetes CVE Feed | k8s.io/kubelet | 1.7.14, 1.8.9, 1.9.4 |
| Oracle Linux 7 | kubeadm | 1.9.1-2.1.5.el7 |
| Oracle Linux 7 | kubectl | 1.9.1-2.1.5.el7 |
| Oracle Linux 7 | kubelet | 1.9.1-2.1.5.el7 |
| Red Hat | kubernetes | kein Fix angegeben |
| Red Hat | kubernetes-client | kein Fix angegeben |
| Red Hat | kubernetes-master | kein Fix angegeben |
| Red Hat | kubernetes-node | kein Fix angegeben |
Referenzen
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html
- https://access.redhat.com/errata/RHSA-2018:0475
- https://access.redhat.com/security/cve/CVE-2017-1002101
- https://github.com/bgeesaman/subpath-exploit/
- https://github.com/kubernetes/kubernetes/issues/60813
- https://linux.oracle.com/cve/CVE-2017-1002101.html
- https://linux.oracle.com/errata/ELSA-2018-4061.html
- https://nvd.nist.gov/vuln/detail/CVE-2017-1002101