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Update Protection against TIFF Image Improper Dimensions Vulnerability

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Check Point Reference: CPAI-2009-252
Date Published:
Severity:
Source: Adobe Security Bulletin - APSB09-15
Industry Reference(s): CVE-2009-2995
Protection Provided by: Security Gateway
  • R70
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
Adobe Acrobat 9.1.3 and earlier versions for Windows and Macintosh
Vulnerability Description
A denial of service vulnerability has been discovered in Adobe Acrobat. A remote attacker may trigger this issue via a specially crafted TIFF file. Tagged Image File Format (TIFF) is a container format for storing images, including photographs and line art. Successful exploitation of this issue will cause the application to become non-responsive.
Update/Patch Available
Update patches:
Adobe Security Bulletin - APSB09-15
Vulnerability Details
The vulnerability is due to the way that Adobe Acrobat handle malformed TIFF files. A remote attacker may trigger this issue by convincing a user to open a specially crafted TIFF image file. Successful exploitation will create a denial of service condition, causing the application to become non-responsive.

Protection Overview
This protection will detect and block attempts to transfer malformed TIFF files over HTTP.

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 > Application Intelligence > Content Protection.
2. In the right pane, double-click the TIFF Image Improper Dimensions 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: Content Protection Violation
Attack Information: TIFF image improper dimensions

IPS-1 & IPS-1 NGX R65

How Can I Protect My Network?

1. In the IPS-1 Policy Manager, click on the Protection tab.
2. In the Protection tree, click Application Intelligence > Badfiles, and select the TIFF Parser protection group.
3. Click TIFF image file (IPS-1 NGX R65 only).
4. In the configuration pane, under Settings, check Active.
5. Click on Install Policy.

How Do I Know if My Network is Under Attack?

Upon attack, the following entries will be logged:

Alert Name: Badfiles TIFF image parser
Description: TIFF image file