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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-234993	SLES-15-040090	SV-234993r622137_rule		Medium

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

STIG	Date
SUSE Linux Enterprise Server 15 Security Technical Implementation Guide	2023-09-08

Details

Check Text ( C-38181r619248_chk )
Verify the assigned home directory of all SUSE operating system 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 $(awk -F: '($3>=1000)&&($7 !~ /nologin/){print $6}' /etc/passwd) -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-38181r619248_chk )

Verify the assigned home directory of all SUSE operating system 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 $(awk -F: '($3>=1000)&&($7 !~ /nologin/){print $6}' /etc/passwd)
-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-38144r619249_fix)
Change the mode of SUSE operating system local 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". > sudo chmod 0750 /home/smithj