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V-279575

CAT II (Medium)

Nutanix OS must configure audit log permissions for 0600 or less.

Rule ID

SV-279575r1192436_rule

STIG

Nutanix Acropolis GPOS Security Technical Implementation Guide

Version

V1R1

CCIs

CCI-000162 CCI-000163 CCI-000164

Discussion

Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confidentiality. Audit information includes all information (e.g., audit records, audit settings, audit reports) needed to successfully audit operating system activity. Satisfies: SRG-OS-000057-GPOS-00027, SRG-OS-000058-GPOS-00028, SRG-OS-000059-GPOS-00029

Check Content

Verify Nutanix OS audit log permissions are 0600 or less permissive using the following command.

$ sudo ls -al /home/log/audit/
total 17902
-rw-------.  1 root root 5721316 Oct 11 22:31 audit.log
-r--------.  1 root root 6291469 Oct 11 13:41 audit.log.1
-r--------.  1 root root 6291562 Oct 11 04:00 audit.log.2

If the audit.log file(s) are more permissive than 0600, this is a finding.

Fix Text

Nutanix OS VMs are configured by default to have ownership and permission levels set to meet this requirement. If these are found to be out of compliance, some corruption has taken place and a rebuild of the OS is required.