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Update Protection against Adobe Flash Player File Existence Information Disclosure Vulnerability (APSB09-19)

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Check Point Reference: CPAI-2009-271
Date Published:
Severity:
Source: Adobe Security Bulletin - APSB09-19
Industry Reference(s): CVE-2009-3951
Protection Provided by: Security Gateway
  • R70
Who is Vulnerable?
Adobe Flash Player 10.0.32.18 and earlier
Vulnerability Description
An Information Disclosure vulnerability has been reported in the Adobe Flash Player. The Adobe Flash Player is a multimedia and application player that renders Shockwave Flash (SWF) files. A remote attacker may exploit this vulnerability to verify if a file exists on a remote vulnerable system.
Update/Patch Available
Apply patches:
Adobe Security Bulletin - APSB09-19
Vulnerability Details
The vulnerability is due to an error in the Adobe Flash Player ActiveX control. A remote attacker might exploit this issue by convincing a victim to open a specially crafted Web page. Successful exploitation of this vulnerability may lead to information disclosure.

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, Protection tab and select the version of your choice.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway R70

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. In the right pane, double-click the Adobe Flash Player File Existence Information Disclosure (APSB09-19) protection.
3. In the Protection Details window, click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect), and apply Additional Settings.
4. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: Web Client Enforcement Violation
Attack Information: Adobe Flash Player file existence information disclosure (APSB09-19)