The McAfee VirusScan Enterprise for Linux 1.9.x/2.0.x On-Demand scanner must be configured to Move infected files to the quarantine directory if first action fails when programs and jokes are found.

From McAfee VSEL 1.9/2.0 Managed Client Security Technical Implementation Guide

Part of SRG-APP-000277

Associated with: CCI-001241

SV-77545r1_rule The McAfee VirusScan Enterprise for Linux 1.9.x/2.0.x On-Demand scanner must be configured to Move infected files to the quarantine directory if first action fails when programs and jokes are found.

Vulnerability discussion

Potentially Unwanted Programs (PUPs) include Spyware, Adware, Remote Administration Tools, Dialers, Password Crackers, Jokes, and Key Loggers. While PUPs do not typically have any infection capability on their own, they rely on malware or other attach mechanisms to be installed onto target hosts, after which they will collect and transfer data from the host to an external host and/or will be used as attach mechanisms. Configuring the anti-virus software to attempt to clean the file first will allow for the possibility of a false positive. In most cases, however, the secondary action of quarantine will be used, mitigating the risk of the PUPs being installed and used maliciously.

Check content

From the ePO server console System Tree, select "My Organization". Select the "Systems" tab. To show all systems in the System Tree, select "This Group and All Subgroups" from the "Preset:" drop-down list. From the list of systems, locate the asset representing the Linux system being reviewed. Click on the system to open the System Information page. Click on Actions >> Agent >> Modify Tasks on a Single System. From the list of available tasks in the "Task Name" column, with the assistance of the ePO SA, identify the weekly On Demand scan client task. If a weekly On Demand scan client task does not exist, this is a finding. For the designated weekly On Demand scan client task, verify the "Task Type" is listed as "On Demand Scan". Verify the "Status" is listed as "Enabled". Under the "Task Name" column, click on the link for the designated task to review the task properties. In the "Actions" tab, for "When Programs & Jokes are found: If the above action fails:", verify the radio button for "Move infected files to the quarantine directory" is selected. Verify the "Quarantine Directory:" field is populated with "/quarantine" (or another valid location as determined by the organization). If the radio button for "When Programs & Jokes are found: If the above action fails: Move infected files to the quarantine directory" is not selected, this is a finding. If the "Quarantine Directory:" field is not populated with "/quarantine" (or another valid location as determined by the organization), this is a finding.

Fix text

From the ePO server console System Tree, select "My Organization". Select the "Systems" tab. To show all systems in the System Tree, select "This Group and All Subgroups" from the "Preset:" drop-down list. From the list of systems, locate the asset representing the Linux system being reviewed. Click on the system to open the System Information page. Click on Actions >> Agent >> Modify Tasks on a Single System. From the list of available tasks in the "Task Name" column, with the assistance of the ePO SA, identify the weekly On Demand scan client task. For the designated weekly On Demand scan client task, verify the "Task Type" is listed as "On Demand Scan". Under the "Task Name" column, click on the link for the designated task to review the task properties. In the "Actions" tab, for "When Programs & Jokes are found: If the above action fails:", select the radio button for "Move infected files to the quarantine directory" is selected. Populate the "Quarantine Directory:" field with "/quarantine" (or another valid location as determined by the organization). Click "Save".

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