Description
Improper validation of URL redirection in the Kubernetes API server in versions prior to v1.14.0 allows an attacker-controlled Kubelet to redirect API server requests from streaming endpoints to arbitrary hosts. Impacted API servers will follow the redirect as a GET request with client-certificate credentials for authenticating to the Kubelet.
Published: 2019-12-05
Score: 2.6 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Workaround

For Kubernetes versions >= v1.10.0, the ValidateProxyRedirects feature can be manually enabled with the kube-apiserver flag --feature-gates=ValidateProxyRedirects=true

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2018-2081 Improper validation of URL redirection in the Kubernetes API server in versions prior to v1.14.0 allows an attacker-controlled Kubelet to redirect API server requests from streaming endpoints to arbitrary hosts. Impacted API servers will follow the redirect as a GET request with client-certificate credentials for authenticating to the Kubelet.
History

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Subscriptions

Fedoraproject Fedora
Kubernetes Kubernetes
Redhat Openshift
cve-icon MITRE

Status: PUBLISHED

Assigner: kubernetes

Published:

Updated: 2024-09-17T00:56:37.681Z

Reserved: 2018-12-05T00:00:00.000Z

Link: CVE-2018-1002102

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-12-05T16:15:10.427

Modified: 2024-11-21T03:40:38.570

Link: CVE-2018-1002102

cve-icon Redhat

Severity : Low

Publid Date: 2019-12-03T00:00:00Z

Links: CVE-2018-1002102 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses