SB2023052522 - SUSE update for kubernetes1.23
Published: May 25, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
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".
2) Improper access control (CVE-ID: CVE-2022-3162)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. Users authorized to list or watch one type of namespaced custom resource cluster-wide can read custom resources of a different kind in the same API group they are not authorized to read.
3) Input validation error (CVE-ID: CVE-2022-3294)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
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.
Remediation
Install update from vendor's website.