Check Point Advisories

Adobe Flash Player ActionScript LoadMovie Cross Site Scripting (APSB11-13; CVE-2011-2107)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-284
Date Published:	9 Jun 2011
Severity:	Critical
Last Updated:	Thursday 09 June, 2011
Source:
Industry Reference:	CVE-2011-2107
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description	The Adobe Flash Player is a multimedia and application player that renders Shockwave Flash (SWF) files. A cross site scripting vulnerability has been reported in Adobe Flash Player. The vulnerability is due to an error when processing LoadMovie requests in flash files. A remote attacker can exploit this vulnerability by enticing a user to download and view a Flash file that contains a malicious ActionScript code. Successful exploitation of this vulnerability could allow the attacker to execute a cross-site scripting attack on the user, allowing the attacker to execute script in the user's security context.

Protection Overview

This protection will detect and block malformed Adobe Flash files that contain ActionScript.

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 ActionScript LoadMovie Cross Site Scripting (APSB11-13) 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 ActionScript LoadMovie cross site scripting (APSB11-13)