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APPL-15-002068 The macOS system must secure users' home folders.

DISA STIG library V1R8
All changes in this version
first version loaded CAT II

Maps to CM-6 via CCI-000366

Title

The macOS system must secure users' home folders.

Control

Verify the macOS system is configured so that permissions are set correctly on user home directories with the following command: /usr/bin/find /System/Volumes/Data/Users -mindepth 1 -maxdepth 1 -type d ! \( -perm 700 -o -perm 711 \) | /usr/bin/grep -v "Shared" | /usr/bin/grep -v "Guest" | /usr/bin/wc -l | /usr/bin/xargs If the result is not "0", this is a finding.

Discussion

The system must be configured to prevent access to other users' home folders. The default behavior of macOS is to allow all valid users access to the top level of every other user's home folder while restricting access only to the Apple default folders within. Satisfies: SRG-OS-000480-GPOS-00230, SRG-OS-000480-GPOS-00228

Related controls

CCI-000366

Fix

Configure the macOS system to set the appropriate permissions for each user on the system with the following command: IFS=$'\n' for userDirs in $( /usr/bin/find /System/Volumes/Data/Users -mindepth 1 -maxdepth 1 -type d ! \( -perm 700 -o -perm 711 \) | /usr/bin/grep -v "Shared" | /usr/bin/grep -v "Guest" ); do /bin/chmod og-rwx "$userDirs" done unset IFS