Vulnerability Description
Improper input validation in Kubernetes CSI sidecar containers for external-provisioner (<v0.4.3, <v1.0.2, v1.1, <v1.2.2, <v1.3.1), external-snapshotter (<v0.4.2, <v1.0.2, v1.1, <1.2.2), and external-resizer (v0.1, v0.2) could result in unauthorized PersistentVolume data access or volume mutation during snapshot, restore from snapshot, cloning and resizing operations.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | External-Provisioner | >= 0.4.1, <= 0.4.2 |
| Kubernetes | External-Resizer | >= 0.1.0, <= 0.2.0 |
| Kubernetes | External-Snapshotter | >= 0.4.0, <= 0.4.1 |
| Redhat | Openshift Container Platform | 3.11 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2019:4054Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4096Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4099Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4225Third Party Advisory
- https://github.com/kubernetes/kubernetes/issues/85233MitigationThird Party Advisory
- https://groups.google.com/forum/#%21topic/kubernetes-security-announce/aXiYN0q4u
- https://security.netapp.com/advisory/ntap-20200810-0003/
- https://access.redhat.com/errata/RHSA-2019:4054Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4096Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4099Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4225Third Party Advisory
- https://github.com/kubernetes/kubernetes/issues/85233MitigationThird Party Advisory
- https://groups.google.com/forum/#%21topic/kubernetes-security-announce/aXiYN0q4u
- https://security.netapp.com/advisory/ntap-20200810-0003/
FAQ
What is CVE-2019-11255?
CVE-2019-11255 is a vulnerability with a CVSS score of 4.8 (MEDIUM). Improper input validation in Kubernetes CSI sidecar containers for external-provisioner (<v0.4.3, <v1.0.2, v1.1, <v1.2.2, <v1.3.1), external-snapshotter (<v0.4.2, <v1.0.2, v1.1, <1.2.2), and external-...
How severe is CVE-2019-11255?
CVE-2019-11255 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-11255?
Check the references section above for vendor advisories and patch information. Affected products include: Kubernetes External-Provisioner, Kubernetes External-Resizer, Kubernetes External-Snapshotter, Redhat Openshift Container Platform.