STIGQter: STIG Summary: Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 10 Mar 2021:

The Ubuntu operating system must prevent direct login into the root account.

DISA Rule

SV-238329r654162_rule

Vulnerability Number

V-238329

Group Title

SRG-OS-000109-GPOS-00056

Rule Version

UBTU-20-010408

Severity

CAT II

CCI(s)

• CCI-000770 - The organization requires individuals to be authenticated with an individual authenticator when a group authenticator is employed.

Weight

10

Fix Recommendation

Configure the Ubuntu operating system to prevent direct logins to the root account by performing the following operations:

$ sudo passwd -l root

Check Contents

Verify the Ubuntu operating system prevents direct logins to the root account with the following command:

$ sudo passwd -S root

root L 04/23/2020 0 99999 7 -1

If the output does not contain "L" in the second field to indicate the account is locked, this is a finding.

Vulnerability Number

V-238329

Documentable

False

Rule Version

UBTU-20-010408

Severity Override Guidance

Verify the Ubuntu operating system prevents direct logins to the root account with the following command:

$ sudo passwd -S root

root L 04/23/2020 0 99999 7 -1

If the output does not contain "L" in the second field to indicate the account is locked, this is a finding.

Check Content Reference

M

Target Key

5318

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