Check Point Advisories

Adobe Flash Player Use After Free (APSB16-29: CVE-2016-4279)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0774
Date Published:	13 Sep 2016
Severity:	Critical
Last Updated:	Tuesday 13 September, 2016
Source:	Adobe APSB16-29
Industry Reference:	CVE-2016-4279
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Adobe Flash Player Desktop Runtime 22.0.0.211 and earlier Adobe Flash Player Extended Support Release 18.0.0.366 and earlier Adobe Flash Player for Google Chrome 22.0.0.211 and earlier Adobe Flash Player for Microsoft Edge and Internet Explorer 11 22.0.0.211 and earlier Adobe Flash Player for Linux 11.2.202.632 and earlier
Vulnerability Description	This vulnerability is an instance of a use after free vulnerability. A constraint for exploitation of this vulnerability is that the memory area of the freed object is reused by another object. The mismatch between the old and the new object can provide attacker with an unintended memory access potentially leading to code corruption.
Update/Patch Avaliable	Apply patches from: APSB16-29

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 Adobe Flash Player Use After Free (APSB16-29: CVE-2016-4279) 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: Adobe Flash Protection Violation.
Attack Information: Adobe Flash Player Use After Free (APSB16-29: CVE-2016-4279)