Check Point Advisories

Mozilla Firefox WebGL Integer Overflow (CVE-2017-5459)

Check Point Reference: CPAI-2017-0519
Date Published: 20 Jun 2017
Severity: Medium
Last Updated: Sunday 08 July, 2018
Source: Mozilla
Industry Reference:CVE-2017-5459
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Mozilla Foundation Firefox prior to 53
Vulnerability Description A memory corruption vulnerability exists in WebGL components of Mozilla Firefox. The vulnerability is due to an integer overflow in Intersect function while calculating destination frame buffer width and height. A remote attacker could exploit this vulnerability by enticing a user to open a maliciously crafted web page.

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

  1. In the IPS tab, click Protections and find the Mozilla Firefox WebGL Integer 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:  Mozilla Firefox WebGL Integer Overflow

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