Improper input validation in Kubernetes External-Provisioner
CVE-2019-11255
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.020 (79.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Kubernetes External-Provisioner — versions 1.3.0
- Kubernetes External-Resizer
- Kubernetes External-Snapshotter
- Kubernetes Kubernetes-Csi External-Provisioner — versions prior to 1.0.2, 1.1, prior to 1.2.2
- Kubernetes Kubernetes-Csi External-Resizer — versions 0.1, 0.2
- Kubernetes Kubernetes-Csi External-Snapshotter — versions prior to 0.4.2, prior to 1.0.2, 1.1
- Red Hat Openshift Container Platform — versions 3.11, 4.1, 4.2
Weakness classification (CWE)
References
- github.com/kubernetes/kubernetes/issues/85233 (Third Party Advisory, Mitigation)
- groups.google.com/forum/ (mailing-list)
- access.redhat.com/errata/RHSA-2019:4099 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:4096 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:4054 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:4225 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200810-0003/
Frequently asked questions
- What is CVE-2019-11255?
- CVE-2019-11255 is a medium-severity vulnerability in Kubernetes External-Provisioner, classified under Improper Input Validation. CVSS score: 4.8/10. Published 2019-12-05.
- How severe is CVE-2019-11255?
- Medium severity. CVSS v3 base score is 4.8 out of 10.