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* Coverage Information for ...

# Coverage Information for Microsoft Security Advisory (2639658)

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By [Palo Alto Networks](https://www.paloaltonetworks.com/blog/author/palo-alto-networks-staff/?ts=markdown "Posts by Palo Alto Networks")  
Nov 09, 2011  
1 minutes  
[Uncategorized](https://www.paloaltonetworks.com/blog/category/uncategorized/?ts=markdown)  
[mapp](https://www.paloaltonetworks.com/blog/tag/mapp/?ts=markdown)

### Summary

Microsoft has published a Security Advisory ("Vulnerability in TrueType Font Parsing Could Allow Elevation of Privilege", CVE-2011-3402) regarding a vulnerability in Microsoft Windows operating systems that can allow an attacker to craft a malicious TrueType font that can result in the execution of arbitrary code in kernel mode.

Complete information from Microsoft is available at [http://technet.microsoft.com/en-us/security/advisory/2639658](http://technet.microsoft.com/en-us/security/advisory/2639658).

### **Coverage Information**

Palo Alto Networks content update version 275 (released 11/8/11) provides signature-based detection of attempted exploitation of the vulnerability described in this Microsoft Security Advisory.

The following signatures have been added to detect exploitation of this vulnerability:

|----------|-------|-------------------------------------------------------------------|---------------|----------------|
| Severity | ID    | Name                                                              | CVE           | Default action |
| critical | 34517 | Microsoft TrueType Font Rendering Memory Corruption Vulnerability | CVE-2011-3402 | alert          |
| critical | 34518 | Microsoft TrueType Font Rendering Memory Corruption Vulnerability | CVE-2011-3402 | alert          |

Palo Alto Networks customers with a Threat Prevention subscription are advised to verify that they are running the latest content version on their devices. If you have any questions about coverage for this advisory, please contact [support](http://support.paloaltonetworks.com "Palo Alto Networks support").

### **Revision History**

11/9/11 - Advisory posted

*** ** * ** ***

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