CVE-2018-1002105

kubernetes: authentication/authorization bypass in the handling of non-101 responses

Published Dec 5, 2018 CVSS 3.0 · 9.8 Critical EPSS 87.0% KEV · Not listed
Description
In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in the kube-apiserver allowed specially crafted requests to establish a connection through the Kubernetes API server to backend servers, then send arbitrary requests over the same connection directly to the backend, authenticated with the Kubernetes API server's TLS credentials used to establish the backend connection.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-579h-mv94-g4gp Privilege Escalation in Kubernetes
History
Type Values Removed Values Added
Metrics epss

{'score': 0.9075}

epss

{'score': 0.90405}

Weaknesses

Sources

Status
PUBLISHED
Assigner
kubernetes
Published
Updated
Aug 5, 2024, 12:47 PM
Reserved
Dec 5, 2018, 12:00 AM
Status
Modified
Published
Dec 5, 2018, 9:29 PM
Modified
Jun 17, 2026, 1:33 AM
Severity
Critical
Public date
Dec 3, 2018, 5:00 PM