CVE-2022-46167

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Summary

CVECVE-2022-46167
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-12-02 19:15:00 UTC
Updated2023-11-07 03:55:00 UTC
DescriptionCapsule is a multi-tenancy and policy-based framework for Kubernetes. Prior to version 0.1.3, a ServiceAccount deployed in a Tenant Namespace, when granted with `PATCH` capabilities on its own Namespace, is able to edit it and remove the Owner Reference, breaking the reconciliation of the Capsule Operator and removing all the enforcement like Pod Security annotations, Network Policies, Limit Range and Resource Quota items. An attacker could detach the Namespace from a Tenant that is forbidding starting privileged Pods using the Pod Security labels by removing the OwnerReference, removing the enforcement labels, and being able to start privileged containers that would be able to start a generic Kubernetes privilege escalation. Patches have been released for version 0.1.3. No known workarounds are available.

Risk And Classification

Problem Types: CWE-863

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Clastix Capsule All All All All

References

ReferenceSourceLinkTags
Release v0.1.3 · clastix/capsule · GitHub MISC github.com
Privilege escalation by ServiceAccount deployed in a Tenant Namespace · Advisory · clastix/capsule · GitHub MISC github.com
test: preventing serviceaccount privilege escalation · clastix/capsule@1df430e · GitHub MISC github.com
fix: preventing serviceaccount privilege escalation · clastix/capsule@75525ac · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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