Update Protection against Microsoft Office Drawing Shape Group Properties Buffer Overflow Vulnerability (MS10-003)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-035
Date Published:
Severity:
Last Updated:
Source:	Microsoft Security Bulletin MS10-003
Industry Reference(s):	CVE-2010-0243
Protection Provided by:	Security Gateway R75 R70 IPS-1 IPS-1 IPS-1 NGX R65
Who is Vulnerable? Microsoft Office XP SP3 Microsoft Office 2004 for Mac
Vulnerability Description A remote code execution vulnerability has been reported in the way Microsoft Office handles specially crafted Excel files. Microsoft Excel is a popular spreadsheet application. A remote attacker could exploit this issue via a malformed Excel file. Successful exploitation of this vulnerability may allow execution of arbitrary code on a target system.

Update/Patch Available Apply patches: Microsoft Security Bulletin MS10-003
Vulnerability Details The vulnerability is due to a memory corruption error in Microsoft Office when loading malformed Excel records. A remote attacker could trigger this flaw by convincing a victim to open a specially crafted Excel file that includes malformed drawing shape group properties. Successful exploitation of this issue may allow execution of arbitrary code on a vulnerable system.

Protection Overview
This protection will detect and block the transferring of malformed Excel 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: R75

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > IPS Software Blade > Application Intelligence > Content Protection.
2. In the right pane, double-click the Microsoft Office Drawing Shape Group Properties Buffer Overflow (MS10-003) 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 drawing shape group properties buffer overflow (MS10-003)

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 Drawing Shape Group Properties Buffer Overflow (MS10-003) 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 drawing shape group properties buffer overflow (MS10-003)

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 Microsoft Office Parser protection group.
3. Click Microsoft Office Drawing DLL Buffer Overflow (MS10-003) (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: Vulnerability in MS-Office file
Description: Microsoft Office Drawing DLL Buffer Overflow (MS10-003)

Legal Notice for Threat Center Advisories