All local interactive user home directories must have mode 0750 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-72017	RHEL-07-020630	SV-86641r2_rule		Medium

Description
Excessive permissions on local interactive user home directories may allow unauthorized access to user files by other users.

STIG	Date
Red Hat Enterprise Linux 7 Security Technical Implementation Guide	2017-12-14

Details

Check Text ( C-72249r2_chk )
Verify the assigned home directory of all local interactive users has a mode of "0750" or less permissive. Check the home directory assignment for all non-privileged users on the system with the following command: Note: This may miss interactive users that have been assigned a privileged User Identifier (UID). Evidence of interactive use may be obtained from a number of log files containing system logon information. # ls -ld $(egrep ':[0-9]{4}' /etc/passwd \| cut -d: -f6) -rwxr-x--- 1 smithj users 18 Mar 5 17:06 /home/smithj If home directories referenced in "/etc/passwd" do not have a mode of "0750" or less permissive, this is a finding.

Check Text ( C-72249r2_chk )

Verify the assigned home directory of all local interactive users has a mode of "0750" or less permissive.

Check the home directory assignment for all non-privileged users on the system with the following command:

Note: This may miss interactive users that have been assigned a privileged User Identifier (UID). Evidence of interactive use may be obtained from a number of log files containing system logon information.

# ls -ld $(egrep ':[0-9]{4}' /etc/passwd | cut -d: -f6)
-rwxr-x--- 1 smithj users 18 Mar 5 17:06 /home/smithj

If home directories referenced in "/etc/passwd" do not have a mode of "0750" or less permissive, this is a finding.

Fix Text (F-78369r1_fix)
Change the mode of interactive user’s home directories to "0750". To change the mode of a local interactive user’s home directory, use the following command: Note: The example will be for the user "smithj". # chmod 0750 /home/smithj