All public directories must be owned by root or an application account.

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All public directories must be owned by root or an application account.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-67713	AOSX-11-001110	SV-82203r1_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 10.11 Security Technical Implementation Guide	2017-04-06

Details

Check Text ( C-68279r1_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 a local admin or application account, this is a finding.

Fix Text (F-73827r1_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 {} \;