STIGQter STIGQter: STIG Summary: Red Hat Enterprise Linux 7 Security Technical Implementation Guide Version: 2 Release: 6 Benchmark Date: 24 Jan 2020: The Red Hat Enterprise Linux operating system must have the screen package installed.

DISA Rule

SV-86521r3_rule

Vulnerability Number

V-71897

Group Title

SRG-OS-000029-GPOS-00010

Rule Version

RHEL-07-010090

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Install the screen package to allow the initiation of a session lock after a 15-minute period of inactivity.

Install the screen program (if it is not on the system) with the following command:

# yum install screen

OR

Install the tmux program (if it is not on the system) with the following command:

#yum install tmux

Check Contents

Verify the operating system has the screen package installed.

Check to see if the screen package is installed with the following command:

# yum list installed screen
screen-4.3.1-3-x86_64.rpm

If the screen package is not installed, check to see if the tmux package is installed with the following command:

#yum list installed tmux
tmux-1.8-4.el7.x86_64.rpm

If either the screen package or the tmux package is not installed, this is a finding.

Vulnerability Number

V-71897

Documentable

False

Rule Version

RHEL-07-010090

Severity Override Guidance

Verify the operating system has the screen package installed.

Check to see if the screen package is installed with the following command:

# yum list installed screen
screen-4.3.1-3-x86_64.rpm

If the screen package is not installed, check to see if the tmux package is installed with the following command:

#yum list installed tmux
tmux-1.8-4.el7.x86_64.rpm

If either the screen package or the tmux package is not installed, this is a finding.

Check Content Reference

M

Target Key

2777

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