Check Point Advisories

Sharpshooter HTML Remote Code Execution

Check Point Reference: CPAI-2020-0834
Date Published: 15 Sep 2020
Severity: High
Last Updated: Tuesday 15 September, 2020
Source:
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable?
Vulnerability Description Sharpshooter is a tool to create HTA payloads and inject them to HTML Pages using JS. This tool may be used by attackers to remotely execute arbitrary code on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Sharpshooter HTML Remote Code Execution protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Sharpshooter HTML Remote Code Execution

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