#VU80010 Input validation error in CSI Proxy - CVE-2023-3893

Vulnerability identifier: #VU80010

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-3893

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
CSI Proxy

Software vendor:
Kubernetes

The vulnerability allows a remote user to escalate privileges on Windows nodes.

The vulnerability exists due to improper input validation. A remote user with ability to create pods on Windows nodes can obtain administrative privileges on these nodes.

Install updates from vendor's website.

• https://seclists.org/oss-sec/2023/q3/127
• https://github.com/kubernetes/kubernetes/issues/119594