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require_singleuser_auth:update prose #12864

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Jan 21, 2025
Merged

require_singleuser_auth:update prose #12864

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aa28311
require_singleuser_auth: update ocil and fixtext
vojtapolasek Jan 21, 2025
f48da81
modify stig-specific prose
vojtapolasek Jan 21, 2025
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13 changes: 11 additions & 2 deletions ...os/guide/system/accounts/accounts-physical/require_singleuser_auth/policy/stig/shared.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,12 +13,21 @@ checktext: |-

ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue

If this line is not returned, or is commented out, this is a finding.
In case the output does not match, check if the <tt>ExecStart</tt> directive is not overridden:

grep ExecStart /etc/systemd/system/rescue.service.d/*.conf

The output should contain two lines:
ExecStart=
ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue

If the line is not returned in any of cases mentioned above, or is commented out, this is a finding.

fixtext: |-
Configure {{{ full_name }}} to require authentication for single-user mode.

Add or modify the following line in the "/usr/lib/systemd/system/rescue.service" file:
Add following two lines to the file "/etc/systemd/system/rescue.service.d/10-remediation.conf":

ExecStart=
ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue

18 changes: 15 additions & 3 deletions linux_os/guide/system/accounts/accounts-physical/require_singleuser_auth/rule.yml
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Expand Up @@ -64,6 +64,17 @@ ocil: |-
<pre>ExecStart=-/bin/sh -c "/sbin/sulogin; /usr/bin/systemctl --fail --no-block default"</pre>
{{%- endif %}}

In case the output does not match, check if the <tt>ExecStart</tt> directive is not overridden:
<pre>grep ExecStart /etc/systemd/system/rescue.service.d/*.conf</pre>
The output should contain two lines:
<pre>ExecStart=
{{% if product in ["fedora", "rhcos4", "sle12", "sle15", "slmicro5"] or 'ol' in families or 'rhel' in product -%}}
ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue</pre>
{{%- else -%}}
ExecStart=-/bin/sh -c "/sbin/sulogin; /usr/bin/systemctl --fail --no-block default"</pre>
{{%- endif %}}


{{% if product not in ["ol8", "rhel8"] %}}
Then, verify that the rescue service is in the runlevel1.target.
Run the following command:
Expand All @@ -85,11 +96,12 @@ ocil: |-
fixtext: |-
Configure {{{ full_name }}} to require authentication in single user mode.

Add or update the following line in "/usr/lib/systemd/system/rescue.service":
Ensure that there are following two lines in <tt>/etc/systemd/system/rescue.service.d/10-remediation.conf</tt>:
<pre>ExecStart=
{{% if product in ["fedora", "sle12", "sle15", "slmicro5"] or 'ol' in families or 'rhel' in product -%}}
ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue
ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue</pre>
{{%- else -%}}
ExecStart=-/bin/sh -c "/sbin/sulogin; /usr/bin/systemctl --fail --no-block default"
ExecStart=-/bin/sh -c "/sbin/sulogin; /usr/bin/systemctl --fail --no-block default"</pre>
{{%- endif %}}

srg_requirement: '{{{ full_name }}} must require authentication upon booting into rescue mode.'
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