Privilege escalation in Microsoft Azure Arc-enabled Kubernetes cluster Connect

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU68225

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-37968

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the Azure Arc-enabled Kubernetes cluster Connect, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Azure Stack Edge: All versions

Azure Arc-enabled Kubernetes cluster: 1.5.8 - 1.8.11

CPE2.3

• cpe:2.3:a:microsoft:azure_stack_edge:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:azure_arc-enabled_kubernetes_cluster:1.5.8:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:azure_arc-enabled_kubernetes_cluster:1.6.19:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:azure_arc-enabled_kubernetes_cluster:1.7.18:*:*:*:*:*:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-37968

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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