Nutanix AOS must define default permissions for all authenticated users in such a way that the user can only read and modify their own files.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-254195	NUTX-OS-001080	SV-254195r846673_rule		Low

Description
Setting the most restrictive default permissions ensures that when new accounts are created they do not have unnecessary access.

STIG	Date
Nutanix AOS 5.20.x OS Security Technical Implementation Guide	2022-08-24

Details

Check Text ( C-57680r846671_chk )
Confirm Nutanix AOS defines default permissions for all authenticated users in such a way that the user can only read and modify their own files. $ sudo grep -i umask /etc/login.defs UMASK 077 If the value for the "UMASK" parameter is not "077", or the "UMASK" parameter is missing or is commented out, this is a finding.

Fix Text (F-57631r846672_fix)
Configure Nutanix AOS default permissions UMASK to 077 by running the following command. salt-call state.sls security/CVM/shellCVM