Update Protection against Microsoft Media Player HeaderExtensionObject Heap Overflow Vulnerability (MS09-052)

Vulnerability
Protection

Check Point Reference:	CPAI-2009-228
Date Published:
Severity:
Last Updated:
Source:	Microsoft Security Bulletin MS09-052
Industry Reference(s):	CVE-2009-2527
Protection Provided by:	Security Gateway R70 IPS-1 IPS-1 IPS-1 NGX R65
Who is Vulnerable? Microsoft Windows Media Player 6.4 on: Windows 2000 SP4 Windows XP SP2 Windows XP SP3 Windows XP Professional x64 Edition SP2 Windows Server 2003 SP2 Windows Server 2003 x64 Edition SP2
Vulnerability Description A remote code execution vulnerability exists in the way that Windows Media Player 6.4 handles specially crafted ASF files. Windows Media Player is an application for Windows that supports numerous video, audio, and image formats. ASF (Advanced Systems Format) is a file format that stores audio and video information and is specially designed to run over networks like the Internet. It is a compressed format that contains streaming audio, video, slide shows, and synchronized events. ASF enables content to be delivered as a continuous flow of data. A remote attacker could exploit this issue to take complete control of an affected system remotely.

Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS09-052

Vulnerability Details
The vulnerability is due to an error in Windows Media Player 6.4 that fails to properly process specially crafted ASF files. A remote attacker could exploit this issue by convincing a user to open a malformed ASF file. Successful exploitation of this vulnerability will allow the attacker to execute arbitrary code on an affected system remotely once the malformed ASF file is played using Windows Media Player 6.4.

Protection Overview
This protection will detect and block the transferring of malformed ASF 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 Microsoft Media Player HeaderExtensionObject Heap Overflow (MS09-052) 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 Media Player HeaderExtensionObject heap overflow (MS09-052)

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 ASF Parser protection group.
3. Click Microsoft Media Player HeaderExtensionObject Heap Overflow (MS09-052) (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 ASF file Alert/Filter
Description: Microsoft Media Player HeaderExtensionObject Heap Overflow (MS09-052)

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