Check Point Advisories

Adobe Flash OpaqueBackground Use After Free (APSA15-04: CVE-2015-5122)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0829
Date Published:	11 Jul 2015
Severity:	Critical
Last Updated:	Thursday 07 December, 2023
Source:	Adobe ASPSA15-04
Industry Reference:	CVE-2015-5122
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?	Adobe Flash Player 18.0.0.203 and earlier versions for Windows and Macintosh. Adobe Flash Player 18.0.0.204 and earlier versions for Linux installed with Google Chrome. Adobe Flash Player Extended Support Release version 13.0.0.302 and earlier 13.x versions for Windows and Macintosh. Adobe Flash Player Extended Support Release version 11.2.202.481 and earlier 11.x versions for Linux.
Vulnerability Description	A use after free vulnerability exists in Adobe Flash Player. The vulnerability is due to an error in the way Adobe Flash Player handles the opaqueBackground property setter of the DisplayObject class. A successful exploitation can allow a remote attacker to execute arbitrary code on a vulnerable system.

Protection Overview

This protection will detect and block 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 / R71 / R70

In the IPS tab, click Protections and find the Adobe Flash OpaqueBackground Use After Free (APSA15-04: CVE-2015-5122) 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 OpaqueBackground Use After Free (APSA15-04: CVE-2015-5122)