Check Point Advisories

Adobe Flash Player External MP4 Buffer Overflow (APSB11-21; CVE-2011-2140)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-389
Date Published:	16 Aug 2011
Severity:	Critical
Last Updated:	Wednesday 09 May, 2018
Source:
Industry Reference:	CVE-2011-2140
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description	The vulnerability is due to an error in the way the application performs boundary checks while parsing specially crafted MP4 files. A remote attacker could exploit this vulnerability by enticing an unsuspecting victim to open a web page containing malicious MP4 files.

Protection Overview

This protection will detect and block an attempt 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 / R71 / R70

In the IPS tab, click Protections and find the Adobe Flash Player External MP4 Buffer Overflow (APSB11-21) 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 Products Violation.
Attack Information: Adobe Flash Player external mp4 buffer overflow (APSB11-21)