CVE-2023-28114

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Summary

CVECVE-2023-28114
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-03-22 19:15:00 UTC
Updated2023-11-07 04:10:00 UTC
Description`cilium-cli` is the command line interface to install, manage, and troubleshoot Kubernetes clusters running Cilium. Prior to version 0.13.2,`cilium-cli`, when used to configure cluster mesh functionality, can remove the enforcement of user permissions on the `etcd` store used to mirror local cluster information to remote clusters. Users who have set up cluster meshes using the Cilium Helm chart are not affected by this issue. Due to an incorrect mount point specification, the settings specified by the `initContainer` that configures `etcd` users and their permissions are overwritten when using `cilium-cli` to configure a cluster mesh. An attacker who has already gained access to a valid key and certificate for an `etcd` cluster compromised in this manner could then modify state in that `etcd` cluster. This issue is patched in `cilium-cli` 0.13.2. As a workaround, one may use Cilium's Helm charts to create their cluster.

Risk And Classification

Problem Types: CWE-280 | CWE-755

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cilium Cilium-cli All All All All

References

ReferenceSourceLinkTags
clustermesh: correctly mount the etcd data dir in the init container · cilium/cilium-cli@fb14270 · GitHub MISC github.com
Release Release v0.13.2 · cilium/cilium-cli · GitHub MISC github.com
`cilium-cli` disables etcd authorization for clustermesh clusters · Advisory · cilium/cilium-cli · GitHub MISC github.com
cilium 1.13.0 · cilium/cilium MISC artifacthub.io
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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