Information disclosure in Microsoft Azure Arc-enabled Kubernetes Extensions

1) Improper access control

EUVDB-ID: #VU88367

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-28917

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Azure Arc-enabled Kubernetes Extension Cluster-Scope. A remote administrator on the local network can bypass implemented security restrictions and gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Azure Arc Cluster microsoft.videoindexer Extension: All versions

Azure Arc Cluster microsoft.openservicemesh Extension: All versions

Azure Arc Cluster microsoft.networkfabricserviceextension Extension: All versions

Azure Arc Cluster microsoft.iotoperations.mq Extension: All versions

Azure Arc Cluster microsoft.azurekeyvaultsecretsprovider Extension: All versions

Azure Arc Cluster microsoft.azure.hybridnetwork Extension: All versions

Azure Arc Cluster microsoft.azstackhci.operator Extension: All versions

CPE2.3

• cpe:2.3:a:microsoft:azure_arc_cluster_microsoft.videoindexer_extension:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:azure_arc_cluster_microsoft.openservicemesh_extension:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:azure_arc_cluster_microsoft.networkfabricserviceextension_extension:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:azure_arc_cluster_microsoft.iotoperations.mq_extension:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:azure_arc_cluster_microsoft.azurekeyvaultsecretsprovider_extension:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:azure_arc_cluster_microsoft.azure.hybridnetwork_extension:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:azure_arc_cluster_microsoft.azstackhci.operator_extension:*:*:*:*:*:*:*:*

External links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-28917

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.