Technical Tip: Using FortiAnalyzer to detect VMware Workspace One Attack | CVE-2022-22954

Description

This article describes how to use a custom event handler in FortiAnalyzer to raise alerts for incident response related to attacks that attempt to leverage the VMware Workspace One Server-side Template Injection Remote Code Execution Vulnerability. A report is also provided to gain historical visibility into your logs.

Scope

This article contains the files necessary to load an event handler and report into your FortiAnalyzer for either a Fabric ADOM or a FortiGate ADOM. The Fabric report and event handler leverage logs from other Fortinet products that can be used to detect the attack in addition to FortiGate logs.

For more information about this attack, see the following FortiGuard Outbreak Alert:

https://www.fortiguard.com/outbreak-alert/vmware-workspace-one-campaigns.

Solution

 What is included in Fortinet_VMware_Workspace_ONE_Attack.zip?

1) VMware_Workspace_ONE_Attack_event-handler.json.

This event handler helps identify Server-side Template Injection Remote Code Execution Vulnerability attacks detected by FortiGates and other Fortinet products.

2) VMware_Workspace_ONE_Attack_report.dat.

This report displays the findings on Server-side Template Injection Remote Code Execution Vulnerability attacks from FortiGates and other Fortinet products.

3) fgt_VMware_Workspace_ONE_Attack_event-handler.json.

The event handler for FortiGate ADOMs is configured for FortiGate logs only.

4) fgt_VMware_Workspace_ONE_Attack_report.dat.

The report for FortiGate ADOMs includes FortiGate charts only.

Steps

1) Download the Fortinet_VMware_Workspace_ONE_Attack.zip file (contains 4 files).

2) Unzip Fortinet_VMware_Workspace_ONE_Attack.zip.

3) Import VMware_Workspace_ONE_Attack_event-handler.json or fgt_VMware_Workspace_ONE_Attack_event-handler.json event handler:

- Choose an ADOM (if ADOMs are enabled). The ADOM may be of type Fabric or FortiGate:

- Choose the FortiSOC module. 

- Select Event Handler List.

- Select the Import option under More.

- Select the appropriate event handler depending on the ADOM type.

Result:

The event handler is enabled and will be triggered if the appropriate logs are received following the import of the event handler. 

Edit the event handler to customize the notification section.

4) Import VMware_Workspace_ONE_Attack_report.dat or fgt_VMware_Workspace_ONE_Attack_report.dat to Reports:

- Choose an ADOM (if ADOMs are enabled). ADOM may be of type Fabric or FortiGate.
- Choose the Report module.
- Select the Import option under 'More'.

- Select the appropriate file for the ADOM type to add the report to the ADOM.

Result: 

The VMware_Workspace_ONE_Attack_report can be run anytime as determined by an admin user.