macOS 15 - Sequoia

The macOS system must configure Apple System Log (ASL) files owned by root and group to wheel

STIG ID: APPL-15-004001 | SRG: SRG-OS-000205-GPOS-00083 | Severity: Medium | CCI: CCI-001312,CCI-001314 | Vulnerability ID: V-268550

Description

The Apple System Logs must be owned by root.ASLs contain sensitive data about the system and users. Setting ASL files to be readable and writable only by system administrators mitigates the risk.Satisfies: SRG-OS-000205-GPOS-00083, SRG-OS-000206-GPOS-00084

Check

C-268550r1034590_chk

Verify the macOS system is configured with ASL files owned by root and group to wheel with the following command:/usr/bin/stat -f '%Su:%Sg:%N' $(/usr/bin/grep -e '^>' /etc/asl.conf /etc/asl/* | /usr/bin/awk '{ print $2 }') 2> /dev/null | /usr/bin/awk '!/^root:wheel:/{print $1}' | /usr/bin/wc -l | /usr/bin/tr -d ' 'If the result is not "0", this is a finding.

Fix

F-72481r1034589_fix

Configure the macOS system with ASL files owned by root and group to wheel with the following command:/usr/sbin/chown root:wheel $(/usr/bin/stat -f '%Su:%Sg:%N' $(/usr/bin/grep -e '^>' /etc/asl.conf /etc/asl/* | /usr/bin/awk '{ print $2 }') 2> /dev/null | /usr/bin/awk '!/^root:wheel:/{print $1}' | /usr/bin/awk -F":" '!/^root:wheel:/{print $3}')