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THREATINT
PUBLISHED

CVE-2024-9779

Open-cluster-management-io/ocm: cluster-manager permissions may allow a worker node to obtain service account tokens



Description

A flaw was found in Open Cluster Management (OCM) when a user has access to the worker nodes which contain the cluster-manager or klusterlet deployments. The cluster-manager deployment uses a service account with the same name "cluster-manager" which is bound to a ClusterRole also named "cluster-manager", which includes the permission to create Pod resources. If this deployment runs a pod on an attacker-controlled node, the attacker can obtain the cluster-manager's token and steal any service account token by creating and mounting the target service account to control the whole cluster.

Reserved 2024-10-10 | Published 2024-12-17 | Updated 2024-12-18 | Assigner redhat


HIGH: 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N

Problem types

Trust Boundary Violation

Product status

0.12.0
affected

0.13.0
unaffected

Default status
unaffected

Timeline

2024-10-10:Reported to Red Hat.
2023-11-30:Made public.

Credits

Red Hat would like to thank Nanzi Yang and Xingyu Liu for reporting this issue.

References

access.redhat.com/security/cve/CVE-2024-9779 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2317916 (RHBZ#2317916) issue-tracking

github.com/open-cluster-management-io/ocm/pull/325

github.com/...cluster-management-io/ocm/releases/tag/v0.13.0

github.com/...management-io/registration-operator/issues/361

cve.org (CVE-2024-9779)

nvd.nist.gov (CVE-2024-9779)

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