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RHEL-10-600020 RHEL 10 must not assign an interactive login shell for system accounts.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to SI-6 via CCI-002696

Title

RHEL 10 must not assign an interactive login shell for system accounts.

Control

Verify that RHEL 10 system accounts do not have an interactive login shell. Run the following command to list any system account (UID 0 && $3 < 1000) && $1 !~ /^(halt|sync|shutdown)$/ && $7 !~ /(nologin|false)$/) {print $1 ":" $3 ":" $7}' /etc/passwd If the command returns any output, this is a finding.

Discussion

Ensuring shells are not given to system accounts upon login makes it more difficult for attackers to use system accounts.

Related controls

CCI-002696

Fix

Configure RHEL 10 so that all noninteractive accounts on the system do not have an interactive shell assigned to them. If the system account needs a shell assigned for mission operations, document the need with the information system security officer (ISSO). Run the following command to disable the interactive shell for a specific noninteractive user account: $ sudo usermod --shell /usr/sbin/nologin