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)
EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.
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.
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
- Redhat Openshift_container_platform — versions 3.11, 4.1, 4.2
Weakness classification (CWE)
References
- jordan@liggitt.net (x_refsource_CONFIRM, Third Party Advisory, Mitigation)
- jordan@liggitt.net (mailing-list, x_refsource_MLIST)
- jordan@liggitt.net (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- jordan@liggitt.net (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- jordan@liggitt.net (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- jordan@liggitt.net (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- jordan@liggitt.net (x_refsource_CONFIRM)
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.