The McAfee VirusScan Enterprise for Linux 1.9.x/2.0.x On-Demand scanner must only be configured with exclusions that are documented and approved by the ISSO/ISSM/AO.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-63125	DTAVSEL-108	SV-77615r1_rule		Medium

Description
When scanning for malware, excluding specific files will increase the risk of a malware-infected file going undetected. By configuring anti-virus software without any exclusions, 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	2020-03-24

Details

Check Text ( C-63877r1_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", "Paths Excluded From Scanning". If any paths other than the following paths are excluded, and the exclusions have not been documented and approved by the ISSO/ISSM/AO, this is a finding. /var/log /_admin/Manage_NSS /mnt/system/log /media/nss/./(\._NETWARE\|\._ADMIN) /.\.(vmdk\|VMDK\|dbl\|DBL\|ctl\|CTL\|log\|LOG\|jar\|JAR\|war\|WAR\|dtx\|DTX\|dbf\|DBF\|frm\|FRM\|myd\|MYD\|myi\|MYI\|rdo\|RDO\|arc\|ARC) /cgroup /dev /proc /selinux /sys

Check Text ( C-63877r1_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", "Paths Excluded From Scanning".

If any paths other than the following paths are excluded, and the exclusions have not been documented and approved by the ISSO/ISSM/AO, this is a finding.

/var/log
/_admin/Manage_NSS
/mnt/system/log
/media/nss/.*/(\._NETWARE|\._ADMIN)
/.*\.(vmdk|VMDK|dbl|DBL|ctl|CTL|log|LOG|jar|JAR|war|WAR|dtx|DTX|dbf|DBF|frm|FRM|myd|MYD|myi|MYI|rdo|RDO|arc|ARC)
/cgroup
/dev
/proc
/selinux
/sys

Fix Text (F-69043r1_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", "Paths Excluded From Scanning", removed all unauthorized excluded paths, click "Next, and then click "Finish".

Fix Text (F-69043r1_fix)