Check Point Advisories

Mozilla Firefox JIT Compiler Memory Leak (CVE-2018-12387)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-1406
Date Published:	5 Jun 2020
Severity:	Critical
Last Updated:	Monday 12 December, 2022
Source:
Industry Reference:	CVE-2018-12387
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Firefox ESR 60.2.2 and earlier Firefox 62.0.3. and earlier
Vulnerability Description	A memory leak vulnerability exists in Mozilla Firefox JIT Compiler. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes.

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 Mozilla Firefox JIT Compiler Memory Leak (CVE-2018-12387) 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 JIT Compiler Memory Leak (CVE-2018-12387)