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Preemptive Protection against Microsoft Office BMP Integer Overflow Vulnerability (MS09-062)

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Check Point Reference: CPAI-2009-208
Date Published:
Preemptive Since:
Severity:
Source: Microsoft Security Bulletin MS09-062
Industry Reference(s): CVE-2009-2518
Protection Provided by: Security Gateway
  • R70
VPN-1
  • NGX R65
VSX
  • NGX R65
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
Microsoft Office XP SP3
Vulnerability Description
A remote code execution vulnerability has been discovered in the way that Microsoft Office handles specially crafted Office Documents containing BMP images. BMP is an image file format used to store bitmap digital images. A remote attacker could exploit this issue via a malformed BMP file. Successful exploitation of this vulnerability may allow execution of arbitrary code on a target system.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS09-062
Vulnerability Details
The vulnerability is due to an error in GDI+ that fails to properly parse BMP files with malformed headers. A remote attacker could trigger this flaw by convincing a victim to open an office file that contains a specially crafted BMP file. Successful exploitation of this issue may allow the attacker to take complete control of the affected system.

Protection Overview
This protection will detect and block the transferring of malformed BMP files over HTTP.

Users are protected against this vulnerability if the protection for blocking malformed BMP files in the Protection section of CPAI-2008-116 has been applied.

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 Microsoft Office Image Filter BMP Header Buffer Overflow (MS08-044) 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: Microsoft Office Image Filter BMP header buffer overflow (MS08-044)

VPN-1 NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Application Intelligence > Content Protection > Block Microsoft Malformed BMP Filter Vulnerability (MS08-044).
2. In the configuration pane, under Settings > Mode, check Active.
3. 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: Microsoft malformed BMP filter vulnerability detected (MS08-044)

VPN-1 VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Application Intelligence > Content Protection > Block Microsoft Malformed BMP Filter Vulnerability (MS08-044).
2. In the configuration pane, under Settings > Mode, check Active.
3. 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: Microsoft malformed BMP filter vulnerability detected (MS08-044)

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 BMP Parser protection group.
3. Click BMP Image Header Parsing (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 entry will be logged:

Alert Name: Badfiles BMP Parsing
Description: BMP Image Header Parsing