Check Point Advisories

Adobe Flash Player Security Bypass (APSB17-23: CVE-2017-3085)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0626
Date Published:	8 Aug 2017
Severity:	High
Last Updated:	Wednesday 09 August, 2017
Source:	Adobe APSB17-23
Industry Reference:	CVE-2017-3085
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Adobe Flash Player Desktop Runtime for Windows 26.0.0.137 Adobe Flash Player Desktop Runtime for Macintosh 26.0.0.137 Adobe Flash Player Desktop Runtime for Linux 26.0.0.137 Adobe Flash Player Google Chrome Plugin for Windows 26.0.0.137 Adobe Flash Player Google Chrome Plugin for Macintosh 26.0.0.137 Adobe Flash Player Google Chrome Plugin for Linux 26.0.0.137 Adobe Flash Player Google Chrome Plugin for ChromeOS 26.0.0.137 Adobe Flash Player Microsoft Edge and Internet Explorer 11 Plugin for Windows 10 and Windows 8.1 26.0.0.137
Vulnerability Description	A security bypass vulnerability exists in Adobe Flash Player. The vulnerability is due to insufficient redirection checks when performing URL redirect. A remote attacker can exploit this vulnerability by enticing a target user to open a specially crafted SWF file.
Update/Patch Avaliable	Apply patches from: APSB17-23

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 Security Bypass (APSB17-23: CVE-2017-3085) 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 Security Bypass (APSB17-23: CVE-2017-3085)