Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Microsoft JET Database Engine Heap-based Buffer Overflow (CVE-2018-8392)

Check Point Reference: CPAI-2019-0266
Date Published: 23 Jan 2020
Severity: High
Last Updated: Sunday 31 October, 2021
Source: Microsoft
Industry Reference:CVE-2018-8392
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Microsoft Windows 7
Microsoft Windows 8.1
Microsoft Windows 10
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2012
Microsoft Windows Server 2016
Microsoft Windows Server version 1709 (Server Core Installation)
Microsoft Windows Server version 1803 (Server Core Installation)
Vulnerability Description A heap-based buffer overflow vulnerability exists in the Microsoft Jet Database Engine (Jet). The vulnerability is due to improper handling of objects in memory. A remote, unauthenticated attacker can exploit the vulnerability by enticing a user to open a specially crafted Excel file.

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 R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Microsoft JET Database Engine Heap-based Buffer Overflow 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:  Microsoft JET Database Engine Heap-based Buffer Overflow

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