The sticky bit must be set on all public directories.

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The sticky bit must be set on all public directories.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-58431	AOSX-09-001120	SV-72861r1_rule		Medium

Description
The sticky bit must be set on all public directories, as it prevents users with write access to the directory from deleting or renaming files that belong to other users inside it.

STIG	Date
Apple OS X 10.9 (Mavericks) Workstation Security Technical Implementation Guide	2017-01-05

Details

Check Text ( C-59257r1_chk )
Run the following command to view all world-writable directories that have the sticky bit set: sudo find / -type d \( -perm -0002 -a ! -perm -1000 \) If anything is returned, this is a finding.

Fix Text (F-63745r1_fix)
Run the following command to set the sticky bit on all world-writable directories: sudo find / -type d \( -perm -0002 -a ! -perm -1000 \) -exec chmod +t {} \;