Check Point Advisories

Mozilla Firefox Type Confusion (CVE-2019-11707)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-0793
Date Published:	27 Jun 2019
Severity:	High
Last Updated:	Thursday 27 June, 2019
Source:
Industry Reference:	CVE-2019-11707
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Mozilla Firefox before 67.0.3 Mozilla Firefox ESR before 60.7.1
Vulnerability Description	A type confusion vulnerability exists in Mozilla Firefox. The vulnerability is due to lack of verification when handling Array.pop. Successful exploitation of this vulnerability could result in a crash.

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

In the IPS tab, click Protections and find the Mozilla Firefox Type Confusion (CVE-2019-11707) 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: Mozilla Firefox Type Confusion (CVE-2019-11707)