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V-259470

CAT II (Medium)

The macOS system must configure the system to audit all authorization and authentication events.

Rule ID

SV-259470r1009588_rule

STIG

Apple macOS 14 (Sonoma) Security Technical Implementation Guide

Version

V2R3

CCIs

CCI-000172

Discussion

The auditing system must be configured to flag authorization and authentication (aa) events. Authentication events contain information about the identity of a user, server, or client. Authorization events contain information about permissions, rights, and rules. If audit records do not include aa events, it is difficult to identify incidents and to correlate incidents to subsequent events. Audit records can be generated from various components within the information system (e.g., via a module or policy filter). Satisfies: SRG-OS-000365-GPOS-00152,SRG-OS-000392-GPOS-00172,SRG-OS-000458-GPOS-00203,SRG-OS-000463-GPOS-00207,SRG-OS-000465-GPOS-00209,SRG-OS-000466-GPOS-00210,SRG-OS-000467-GPOS-00211,SRG-OS-000468-GPOS-00212,SRG-OS-000471-GPOS-00215,SRG-OS-000471-GPOS-00216,SRG-OS-000475-GPOS-00220,SRG-OS-000477-GPOS-00222

Check Content

Verify the macOS system is configured to audit logon events with the following command:

/usr/bin/awk -F':' '/^flags/ { print $NF }' /etc/security/audit_control | /usr/bin/tr ',' '\n' | /usr/bin/grep -Ec 'aa'

If the result is not "1", this is a finding.

Fix Text

Configure the macOS system to audit logon events with the following command:

/usr/bin/grep -qE "^flags.*[^-]aa" /etc/security/audit_control || /usr/bin/sed -i.bak '/^flags/ s/$/,aa/' /etc/security/audit_control; /usr/sbin/audit -s