The McAfee VirusScan Enterprise for Linux 1.9.x/2.0.x On-Demand scanner must be configured to scan all file types.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-63119	DTAVSEL-105	SV-77609r1_rule		Medium

Description
When scanning for malware, excluding specific file types will increase the risk of a malware-infected file going undetected. By configuring anti-virus software to scan all file types, the scanner has a higher success rate at detecting and eradicating malware.

STIG	Date
McAfee VSEL 1.9/2.0 Local Client Security Technical Implementation Guide	2015-11-30

Details

Check Text ( C-63871r1_chk )
From a desktop browser window, connect to the McAfee VirusScan Enterprise for Linux (VSEL) Monitor (WEB interface) of the Linux system being reviewed and logon with the nails user account. In the VSEL WEB Monitor, review tasks under "View", "Scheduled Tasks". With the System Administrator's assistance, determine which task is intended as the regularly scheduled scan task. Click on the task, and then click "Modify". Under "2. What to Scan", click "Next". Under "3. Choose Scan Settings", "Extension Based Scanning", verify the "Scan all files" check box is selected. If the "Scan all files" check box is not selected, this is a finding. To validate without the Web interface, access the Linux system being reviewed, either at the console or by a SSH connection. At the command line, navigate to /var/opt/NAI/LinuxShield/etc. Enter the command "grep "ODS.allFiles" ods.cfg" If the response given for "nailsd.profile.ODS.allFiles" is not "true", this is a finding.

Check Text ( C-63871r1_chk )

From a desktop browser window, connect to the McAfee VirusScan Enterprise for Linux (VSEL) Monitor (WEB interface) of the Linux system being reviewed and logon with the nails user account.

In the VSEL WEB Monitor, review tasks under "View", "Scheduled Tasks".
With the System Administrator's assistance, determine which task is intended as the regularly scheduled scan task.
Click on the task, and then click "Modify".
Under "2. What to Scan", click "Next".
Under "3. Choose Scan Settings", "Extension Based Scanning", verify the "Scan all files" check box is selected.

If the "Scan all files" check box is not selected, this is a finding.

To validate without the Web interface, access the Linux system being reviewed, either at the console or by a SSH connection.
At the command line, navigate to /var/opt/NAI/LinuxShield/etc.
Enter the command "grep "ODS.allFiles" ods.cfg"

If the response given for "nailsd.profile.ODS.allFiles" is not "true", this is a finding.

Fix Text (F-69037r1_fix)
From a desktop browser window, connect to the McAfee VirusScan Enterprise for Linux (VSEL) Monitor (WEB interface) of the Linux system being reviewed and logon with the nails user account. In the VSEL WEB Monitor, review tasks under "View", "Scheduled Tasks". With the System Administrator's assistance, determine which task is intended as the regularly scheduled scan task. Click on the task, and then click "Modify". Under "2. What to Scan", click "Next". Under "3. Choose Scan Settings", "Extension Based Scanning", select the "Scan all files" check box, click "Next", and then click "Finish".

Fix Text (F-69037r1_fix)