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Nutanix AOS must generate audit records when successful/unsuccessful attempts to modify security objects occur.


Overview

Finding ID Version Rule ID IA Controls Severity
V-254152 NUTX-OS-000460 SV-254152r991573_rule Medium
Description
Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. Audit records can be generated from various components within the information system (e.g., module or policy filter).
STIG Date
Nutanix AOS 5.20.x OS Security Technical Implementation Guide 2024-06-18

Details

Check Text ( C-57637r846542_chk )
Confirm Nutanix AOS generates audit records for successful/unsuccessful attempts to modify security objects occur.

$ sudo grep -i /usr/sbin/semanage /etc/audit/audit.rules
-a always,exit -F path=/usr/sbin/semanage -F perm=x -F auid>=1000 -F auid!=4294967295 -k secobjects

$ sudo grep -i /usr/sbin/setsebool /etc/audit/audit.rules
-a always,exit -F path=/usr/sbin/setsebool -F perm=x -F auid>=1000 -F auid!=4294967295 -k secobjects

$ sudo grep -i /usr/bin/chcon /etc/audit/audit.rules
-a always,exit -F path=/usr/bin/chcon -F perm=x -F auid>=1000 -F auid!=4294967295 -k secobjects

$ sudo grep -iw /usr/sbin/setfiles /etc/audit/audit.rules
-a always,exit -F path=/usr/sbin/setfiles -F perm=x -F auid>=1000 -F auid!=4294967295 -k privileged-priv_change

If the commands does not return any output, this is a finding.
Fix Text (F-57588r846543_fix)
Configure the audit rules by running the following command:

$ sudo salt-call state.sls security/CVM/auditCVM