The SUSE operating system must disable the file system automounter unless required.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-234823	SLES-15-010240	SV-234823r622137_rule		Medium

Description
Automatically mounting file systems permits easy introduction of unknown devices, thereby facilitating malicious activity. Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163

STIG	Date
SUSE Linux Enterprise Server 15 Security Technical Implementation Guide	2021-06-14

Details

Check Text ( C-38011r618738_chk )
Verify the SUSE operating system disables the ability to automount devices. Check to see if automounter service is active with the following command: > systemctl status autofs autofs.service - Automounts filesystems on demand Loaded: loaded (/usr/lib/systemd/system/autofs.service; disabled) Active: inactive (dead) If the "autofs" status is set to "active" and is not documented with the Information System Security Officer (ISSO) as an operational requirement, this is a finding.

Check Text ( C-38011r618738_chk )

Verify the SUSE operating system disables the ability to automount devices.

Check to see if automounter service is active with the following command:

> systemctl status autofs
autofs.service - Automounts filesystems on demand
Loaded: loaded (/usr/lib/systemd/system/autofs.service; disabled)
Active: inactive (dead)

If the "autofs" status is set to "active" and is not documented with the Information System Security Officer (ISSO) as an operational requirement, this is a finding.

Fix Text (F-37974r618739_fix)
Configure the SUSE operating system to disable the ability to automount devices. Turn off the automount service with the following command: > systemctl stop autofs > systemctl disable autofs If "autofs" is required for Network File System (NFS), it must be documented with the ISSO.