Check Point Advisories

Multiple Web Browsers Security Feature Bypass Information Disclosure (CVE-2018-8235)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0552
Date Published:	21 Jun 2018
Severity:	High
Last Updated:	Thursday 21 June, 2018
Source:
Industry Reference:	CVE-2018-8235
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Edge Mozilla Firefox
Vulnerability Description	A vulnerability was discovered within multiple web browsers that could allow security feature bypass. The vulnerability could allow an attacker to bypass the Same Origin Policy. Successful exploitation could force the browser to send data that would otherwise be restricted.

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 Multiple Web Browsers Security Feature Bypass Information Disclosure 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: Multiple Web Browsers Security Feature Bypass Information Disclosure