#VU76474 Input validation error in Kubernetes - CVE-2022-3294

Vulnerability identifier: #VU76474

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-3294

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Kubernetes
Server applications / Frameworks for developing and running applications

Vendor: Kubernetes

Description

The vulnerability allows a remote user to execute arbitrary cod on the system.

The vulnerability exists due to users may have access to secure endpoints in the control plane network. A remote user can trigger the vulnerability and allow authenticated requests destined for Nodes to the API server's private network.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Kubernetes: before 1.22.16, 1.23.14, 1.24.8, 1.25.4, 1.22.16

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External links
https://github.com/kubernetes/kubernetes/issues/113757
https://groups.google.com/g/kubernetes-security-announce/c/VyPOxF7CIbA
https://security.netapp.com/advisory/ntap-20230505-0007/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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