CVE-2020-8553

Kubernetes ingress-nginx Compromise of auth via subset/superset namespace names

Published Jul 29, 2020 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or secret name.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-4162 The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or secret name.
Github GHSA Github GHSA GHSA-hhpm-74pm-hf35 ingress-nginx component for Kubernetes allows file overwrite
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
kubernetes
Published
Updated
Aug 4, 2024, 10:03 AM
Reserved
Feb 3, 2020, 12:00 AM
Status
Modified
Published
Jul 29, 2020, 3:15 PM
Modified
Jun 17, 2026, 3:26 AM