Executive Summary

Summary
Title Microsoft Windows TrueType font parsing vulnerability
Informations
Name VU#316553 First vendor Publication 2011-11-04
Vendor VU-CERT Last vendor Modification 2011-12-19
Severity (Vendor) N/A Revision M

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 9.3 Attack Range Network
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Vulnerability Note VU#316553

Microsoft Windows TrueType font parsing vulnerability

Overview

A vulnerability in the Microsoft Windows TrueType font parsing component could allow an attacker to run arbitrary code in kernel mode. This vulnerability is reportedly being exploited by malicious software in the wild known as Duqu.

I. Description

The Microsoft Windows kernel includes a driver (win32k.sys) that handles a variety of graphics processing tasks, including the processing of TrueType fonts. A vulnerability exists in the way this driver handles certain embedded TrueType fonts. This vulnerability could allow an attacker to execute code with elevated privileges on the affected system.

A remote attacker could exploit this vulnerability by embedding a specially crafted font in a document attached to an email message or including the crafted font in a web page.

II. Impact

An attacker may be able to run arbitrary code in kernel mode, resulting in complete system compromise. Secondary impacts include, but are not limited to, installation of programs; viewing, changing, or deleting data; or the creation of new system accounts with full privileges.

III. Solution

Apply an update


Microsoft has addressed this issue in Microsoft Security Bulletin MS11-087. Users may also wish to consider applying the following workaround:

Deny access to T2EMBED.DLL

Microsoft has published a workaround for this issue in Microsoft Security Advisory (2639658), which recommends denying access to T2EMBED.DLL. Users are encouraged to review this advisory and consider applying the workaround that it describes. Additionally, Microsoft Knowledge Base Article 2639658 contains Microsoft Fix it 50792 and Microsoft Fix it 50793 to help users apply this workaround.

Vendor Information

VendorStatusDate NotifiedDate Updated
Microsoft CorporationAffected2011-11-022011-12-19

References

http://secunia.com/advisories/46724/

Credit

This document was written by Chad R Dougherty.

Other Information

Date Public:2011-11-02
Date First Published:2011-11-04
Date Last Updated:2011-12-19
CERT Advisory: 
CVE-ID(s):CVE-2011-3402
NVD-ID(s):CVE-2011-3402
US-CERT Technical Alerts: 
Severity Metric:26.73
Document Revision:14

Original Source

Url : http://www.kb.cert.org/vuls/id/316553

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:13998
 
Oval ID: oval:org.mitre.oval:def:13998
Title: Vulnerability in TrueType Font Parsing Could Allow Elevation of Privilege
Description: Unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page, as exploited in the wild in November 2011 by Duqu, aka "TrueType Font Parsing Vulnerability."
Family: windows Class: vulnerability
Reference(s): CVE-2011-3402
Version: 7
Platform(s): Microsoft Windows XP
Microsoft Windows Vista
Microsoft Windows Server 2003
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows 7
Product(s):
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:15290
 
Oval ID: oval:org.mitre.oval:def:15290
Title: TrueType Font Parsing Vulnerability (CVE-2011-3402)
Description: Unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page, as exploited in the wild in November 2011 by Duqu, aka "TrueType Font Parsing Vulnerability."
Family: windows Class: vulnerability
Reference(s): CVE-2011-3402
Version: 5
Platform(s): Microsoft Windows 7
Microsoft Windows Server 2003
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Vista
Microsoft Windows XP
Product(s): Microsoft Lync 2010
Microsoft Lync 2010 Attendee
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:15645
 
Oval ID: oval:org.mitre.oval:def:15645
Title: TrueType Font Parsing Vulnerability (CVE-2011-3402)
Description: Unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page, as exploited in the wild in November 2011 by Duqu, aka "TrueType Font Parsing Vulnerability."
Family: windows Class: vulnerability
Reference(s): CVE-2011-3402
Version: 30
Platform(s): Microsoft Windows XP
Microsoft Windows Vista
Microsoft Windows 7
Microsoft Windows Server 2003
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows 8
Microsoft Windows Server 2012
Microsoft Windows 8.1
Microsoft Windows Server 2012 R2
Product(s): Microsoft Silverlight 4
Microsoft Silverlight 5
Microsoft Office 2003
Microsoft Office 2007
Microsoft Office 2010
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 2
Os 1
Os 3
Os 1
Os 2

OpenVAS Exploits

Date Description
2012-06-13 Name : Microsoft Lync Remote Code Execution Vulnerabilities (2707956)
File : nvt/secpod_ms12-039.nasl
2012-05-14 Name : Microsoft Silverlight Code Execution Vulnerabilities - 2681578 (Mac OS X)
File : nvt/secpod_ms12-034_macosx.nasl
2012-05-09 Name : MS Security Update For Microsoft Office, .NET Framework, and Silverlight (268...
File : nvt/secpod_ms12-034.nasl
2011-12-14 Name : Windows Kernel-Mode Drivers Remote Code Execution Vulnerabilities (2567053)
File : nvt/secpod_ms11-087.nasl
2011-11-07 Name : Microsoft Windows TrueType Font Parsing Privilege Elevation Vulnerability
File : nvt/gb_ms_truetype_font_privilege_elevation_vuln.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
76843 Microsoft Windows Win32k TrueType Font Handling Privilege Escalation

Microsoft Windows contains a flaw related to the Win32k TrueType font parsing engine that may allow a context-dependent attacker to execute arbitrary code via malicious font data contained in a Word document.

Information Assurance Vulnerability Management (IAVM)

Date Description
2012-05-10 IAVM : 2012-A-0079 - Combined Security Update for Microsoft Office Windows .NET Framework and Silv...
Severity : Category I - VMSKEY : V0032304

Snort® IPS/IDS

Date Description
2019-08-31 Microsoft Windows TrueType font parsing engine sfac_GetSbitBitmap obfuscated ...
RuleID : 50849 - Revision : 1 - Type : FILE-OTHER
2019-08-31 Microsoft Windows TrueType font parsing engine sfac_GetSbitBitmap obfuscated ...
RuleID : 50848 - Revision : 1 - Type : FILE-OTHER
2019-04-13 Microsoft Windows TrueType font parsing engine sfac_GetSbitBitmap elevation o...
RuleID : 49423 - Revision : 2 - Type : FILE-OTHER
2019-04-13 Microsoft Windows TrueType font parsing engine sfac_GetSbitBitmap elevation o...
RuleID : 49422 - Revision : 2 - Type : FILE-OTHER
2019-04-13 Microsoft Windows TrueType font parsing engine sfac_GetSbitBitmap elevation o...
RuleID : 49421 - Revision : 2 - Type : FILE-OTHER
2014-01-18 multi-hop iframe campaign client-side exploit attempt
RuleID : 29025 - Revision : 2 - Type : MALWARE-OTHER
2014-01-18 multi-hop iframe campaign client-side exploit attempt
RuleID : 29024 - Revision : 2 - Type : MALWARE-OTHER
2014-01-18 multi-hop iframe campaign client-side exploit attempt
RuleID : 29023 - Revision : 2 - Type : MALWARE-OTHER
2014-01-18 DNS request for known malware domain kjyg.com
RuleID : 29022 - Revision : 2 - Type : BLACKLIST
2014-01-18 DNS request for known malware domain apfi.biz
RuleID : 29021 - Revision : 2 - Type : BLACKLIST
2014-01-18 DNS request for known malware domain 4pu.com
RuleID : 29020 - Revision : 2 - Type : BLACKLIST
2014-01-10 Blackholev2 exploit kit JNLP request
RuleID : 27070 - Revision : 2 - Type : EXPLOIT-KIT
2014-01-10 Blackholev2 exploit kit landing page - specific structure
RuleID : 27067 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 iFramer injection - specific structure
RuleID : 26617 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 Multiple exploit kit successful redirection - jnlp bypass
RuleID : 26541 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 iFramer injection - specific structure
RuleID : 26540 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit java payload detection
RuleID : 26512 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 Sakura exploit kit redirection structure
RuleID : 26511 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit pdf payload detection
RuleID : 26510 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Multiple exploit kit java payload detection
RuleID : 26509 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit landing page - specific structure
RuleID : 26507 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit jar file redirection
RuleID : 26506 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious jar download
RuleID : 26256 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit redirection page
RuleID : 26254 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit MyApplet class retrieval
RuleID : 26229 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit redirection page
RuleID : 26228 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit landing page
RuleID : 26091 - Revision : 3 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit Portable Executable download
RuleID : 26056 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 26055 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 26054 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 26053 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 26052 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious jar file download
RuleID : 26051 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit SWF file download
RuleID : 26050 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit EOT file download
RuleID : 26049 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit PDF exploit
RuleID : 26048 - Revision : 8 - Type : EXPLOIT-KIT
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RuleID : 26047 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit landing page
RuleID : 26046 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit Portable Executable download
RuleID : 25968 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 25967 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 25966 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 25965 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 25964 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit SWF file download
RuleID : 25963 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit EOT file download
RuleID : 25962 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit former location - has been removed
RuleID : 25960 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 25959 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 25958 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 25957 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious class file download
RuleID : 25956 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious jar file download
RuleID : 25955 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit SWF file download
RuleID : 25954 - Revision : 8 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit landing page
RuleID : 25953 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit landing page
RuleID : 25952 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit EOT file download
RuleID : 25951 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit PDF exploit
RuleID : 25950 - Revision : 8 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit java exploit retrieval
RuleID : 25862 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit java exploit retrieval
RuleID : 25861 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit landing page
RuleID : 25860 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit malicious jar file download
RuleID : 25859 - Revision : 8 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit Java exploit download
RuleID : 25858 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit PDF exploit
RuleID : 25857 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit EOT file download
RuleID : 25598 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit EOT file download
RuleID : 25597 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit EOT file download
RuleID : 25596 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit java exploit retrieval
RuleID : 25595 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit java exploit retrieval
RuleID : 25594 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit java exploit retrieval
RuleID : 25593 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool Exploit Kit SWF file download
RuleID : 25576 - Revision : 2 - Type : EXPLOIT-KIT
2014-01-10 Cool Exploit Kit SWF file download
RuleID : 25575 - Revision : 2 - Type : EXPLOIT-KIT
2014-01-10 Cool Exploit Kit SWF file download
RuleID : 25574 - Revision : 2 - Type : EXPLOIT-KIT
2014-01-10 Cool Exploit Kit SWF file download
RuleID : 25573 - Revision : 2 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit java exploit retrieval
RuleID : 25510 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit pdf exploit retrieval
RuleID : 25509 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit java exploit retrieval
RuleID : 25508 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit pdf exploit retrieval
RuleID : 25507 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit EOT file download
RuleID : 25506 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit EOT file download
RuleID : 25505 - Revision : 8 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit java exploit retrieval
RuleID : 25328 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit pdf exploit retrieval
RuleID : 25327 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit java exploit retrieval
RuleID : 25326 - Revision : 10 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit pdf exploit retrieval
RuleID : 25325 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit landing page detected
RuleID : 25324 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit EOT file download
RuleID : 25323 - Revision : 10 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit EOT file download
RuleID : 25322 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit 32-bit font file download
RuleID : 25056 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit 64-bit font file download
RuleID : 25055 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit requesting payload
RuleID : 25045 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit 64-bit font file download
RuleID : 24784 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit 32-bit font file download
RuleID : 24783 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit outbound request
RuleID : 24782 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit outbound request
RuleID : 24781 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit - PDF Exploit
RuleID : 24780 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit - PDF Exploit
RuleID : 24779 - Revision : 8 - Type : EXPLOIT-KIT
2014-01-10 Cool exploit kit landing page - Title
RuleID : 24778 - Revision : 6 - Type : EXPLOIT-KIT
2014-01-10 Microsoft Windows TrueType font parsing engine sfac_GetSbitBitmap elevation o...
RuleID : 20735 - Revision : 12 - Type : FILE-OTHER

Nessus® Vulnerability Scanner

Date Description
2012-06-13 Name : Arbitrary code can be executed on the remote host through Microsoft Lync.
File : smb_nt_ms12-039.nasl - Type : ACT_GATHER_INFO
2012-05-09 Name : A multimedia application framework installed on the remote Mac OS X host is a...
File : macosx_ms12-034.nasl - Type : ACT_GATHER_INFO
2012-05-09 Name : The remote Windows host is affected by multiple vulnerabilities.
File : smb_nt_ms12-034.nasl - Type : ACT_GATHER_INFO
2011-12-13 Name : The remote Windows kernel is affected by a remote code execution vulnerability.
File : smb_nt_ms11-087.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 12:07:44
  • Multiple Updates