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If automated file system mounting tool is not required on AIX, it must be disabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-91543 AIX7-00-003090 SV-101641r1_rule Medium
Description
Automated file system mounting tools may provide unprivileged users with the ability to access local media and network shares. If this access is not necessary for the system’s operation, it must be disabled to reduce the risk of unauthorized access to these resources.
STIG Date
IBM AIX 7.x Security Technical Implementation Guide 2020-02-24

Details

Check Text ( C-90697r3_chk )
Determine if the system uses "automated" by using command:

# lssrc -s automountd
Subsystem Group PID Status
automountd autofs inoperative

If the automountd process is active, this is a finding.
Fix Text (F-97741r1_fix)
Disable the automated file system mounting tools.

Empty the /etc/auto_master file.

From the command prompt, run the following command:
# stopsrc -s automountd