The IBM z/VM CP Privilege Class A, B, and D must be restricted to appropriate system operators.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-237943	IBMZ-VM-001010	SV-237943r649669_rule		Medium

Description
Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or processes may gain unnecessary access to information or privileges. Privileged functions include, for example, establishing accounts, performing system integrity checks, or administering cryptographic key management activities. Non-privileged users are individuals that do not possess appropriate authorizations. Circumventing intrusion detection and prevention mechanisms or malicious code protection mechanisms are examples of privileged functions that require protection from non-privileged users.

Description

Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or processes may gain unnecessary access to information or privileges. Privileged functions include, for example, establishing accounts, performing system integrity checks, or administering cryptographic key management activities. Non-privileged users are individuals that do not possess appropriate authorizations. Circumventing intrusion detection and prevention mechanisms or malicious code protection mechanisms are examples of privileged functions that require protection from non-privileged users.

STIG	Date
IBM zVM Using CA VM:Secure Security Technical Implementation Guide	2021-06-16

Details

Check Text ( C-41153r649667_chk )
Examine user directory definitions to determine CP Privilege class. If CP Privilege Class A, B, or D is assigned to non-privilege users, this is a finding.

Fix Text (F-41112r649668_fix)
Ensure that non-privilege users are not assigned CP Privilege Class A, B, or D.