SB2023013031 - Privilege escalation in Kubernetes Kubelet



SB2023013031 - Privilege escalation in Kubernetes Kubelet

Published: January 30, 2023

Security Bulletin ID SB2023013031
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-25749)

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

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


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

The vulnerability exists due incorrect privilege management. Windows workloads can be executed with the ContainerAdministrator privileges even when the runAsNonRoot option is set to "true".


Remediation

Install update from vendor's website.