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 allow users to directly initiate a session lock for all connection types.

DISA Rule

SV-238200r653775_rule

Vulnerability Number

V-238200

Group Title

SRG-OS-000030-GPOS-00011

Rule Version

UBTU-20-010005

Severity

CAT II

CCI(s)

• CCI-000058 - The information system provides the capability for users to directly initiate session lock mechanisms.
• CCI-000060 - The information system conceals, via the session lock, information previously visible on the display with a publicly viewable image.

Weight

10

Fix Recommendation

Install the "vlock" package (if it is not already installed) by running the following command:

$ sudo apt-get install vlock

Check Contents

Verify the Ubuntu operating system has the "vlock" package installed by running the following command:

$ dpkg -l | grep vlock

If "vlock" is not installed, this is a finding.

Vulnerability Number

V-238200

Documentable

False

Rule Version

UBTU-20-010005

Severity Override Guidance

Verify the Ubuntu operating system has the "vlock" package installed by running the following command:

$ dpkg -l | grep vlock

If "vlock" is not installed, this is a finding.

Check Content Reference

M

Target Key

5318

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