The macOS system must be configured with all public directories owned by root or an application account.

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The macOS system must be configured with all public directories owned by root or an application account.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-81683	AOSX-13-001110	SV-96397r1_rule		Medium

Description
All public directories must be owned by "root", the local admin user, or an application account. Directory owners have permission to delete any files contained in that directory, even if the files are owned by other user accounts. By setting the owner to an administrator or application account, regular users will not be permitted to delete each other's files.

STIG	Date
Apple OS X 10.13 Security Technical Implementation Guide	2020-05-29

Details

Check Text ( C-81459r1_chk )
To display all directories that are writable by all and not owned by "root", run the following command: /usr/bin/sudo find / -type d -perm +o+w -not -uid 0 If anything is returned, and those directories are not owned by root or application account, this is a finding.

Fix Text (F-88531r1_fix)
To change the ownership of any finding, run the following command: /usr/bin/sudo find / -type d -perm +o+w -not -uid 0 -exec chown root {} \;