Resource exhaustion in Kubernetes
CVE-2019-1002100
In all Kubernetes versions prior to v1.11.8, v1.12.6, and v1.13.4, users that are authorized to make patch requests to the Kubernetes API Server can send a specially crafted patch of type "json-patch" (e.g. `kubectl patch --type json` or `"Content-Type: application/json-patch+json"`) that consumes excessive resources while processing, causing a Denial of Service on the API Server.
EPSS: 0.104 (95.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Kubernetes — versions v1.0.x, v1.1.x, v1.2.x
- Redhat Openshift_container_platform — versions 3.10, 3.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- josh@bress.net (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- josh@bress.net (x_refsource_CONFIRM)
- josh@bress.net (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
- josh@bress.net (x_refsource_CONFIRM, Third Party Advisory)
- josh@bress.net (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- josh@bress.net (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-1002100?
- CVE-2019-1002100 is a medium-severity vulnerability in Kubernetes, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2019-04-01.
- How severe is CVE-2019-1002100?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-1002100 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.