Update Protection against Microsoft DirectX SAMI Files Parsing Code Execution Vulnerability (MS07-064)
| Check Point Reference: | CPAI-2007-141 | |
| Date Published: | ||
| Severity: | ||
| Source: | Microsoft Security Bulletin MS07-064 | |
| Industry Reference(s): | CVE-2007-3901 | |
| Protection Provided by: |
VPN-1
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| Who is Vulnerable? Microsoft DirectX 6.4 Microsoft DirectX 7.0 Microsoft DirectX 8.1 | ||
| Vulnerability Description A remote code execution vulnerability has been reported in Microsoft DirectX. Microsoft DirectX is a set of libraries that aim for accelerated video and audio experience on Microsoft Windows operating system. DirectX can parse various file formats which include SAMI files. Synchronized Accessible Media Interchange (SAMI) files are text files that contain the text strings used for synchronized closed captions, subtitles, and audio descriptions. A remote attacker can exploit this vulnerability via a specially crafted SAMI file. Successful exploitation of the vulnerability allows execution of arbitrary code on a vulnerable system. |
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Update/Patch Available Apply patches: Microsoft Security Bulletin MS07-064 |
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Vulnerability Details The vulnerability is due to errors in Microsoft DirectX that fails to properly handle malformed SAMI files. A remote attacker could trigger this flaw via a specially crafted SAMI file. Successful exploitation allows execution of arbitrary code once a malformed SAMI file is being loaded on a vulnerable system. |
Protection Overview
By enabling this protection, SmartDefense will detect and block the transferring of malformed SAMI files over HTTP.
In order for the protection to be activated, update your VPN-1 product to the latest SmartDefense update. For information on how to update SmartDefense, 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.
Additional Information
The update released on December 30, 2007 includes the following protections:
Microsoft DirectX SAMI Files Parsing Vulnerability (MS07-064) CPAI-2007-141
Microsoft Windows Media Format ASF Parsing Vulnerability (MS07-068) CPAI-2007-142
Recent Malware Threats (30-Dec-07) (CPAI-2007-143)