Check Point Advisories

Microsoft Edge DoLoopBodyStart Out of Bounds Read (CVE-2017-11811)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0862
Date Published:	22 Oct 2017
Severity:	High
Last Updated:	Monday 21 November, 2022
Source:	Microsoft
Industry Reference:	CVE-2017-11811
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Edge .
Vulnerability Description	An out-of-bounds read vulnerability exists in Microsoft Edge. The vulnerability is due to improper handling of objects in memory.

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

In the IPS tab, click Protections and find the Microsoft Edge DoLoopBodyStart Out of Bounds Read protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Microsoft Edge DoLoopBodyStart Out of Bounds Read