Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Title Microsoft Windows EOT Font and Adobe Flash Player 6 Vulnerabilities
Name TA10-012B First vendor Publication 2010-01-12
Vendor US-CERT Last vendor Modification 2010-01-12
Severity (Vendor) N/A Revision N/A

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


Microsoft has released updates to address a vulnerability in the Windows Embedded Open Type (EOT) font engine. Microsoft has also published an Advisory about multiple vulnerabilities in Adobe
(Macromedia) Flash Player 6 that is included with Windows XP.

I. Description

Microsoft Security Bulletin MS10-001 describes a vulnerability in the Embedded Open Type (EOT) font engine in Windows. Microsoft Security Advisory (979267) recommends that Windows XP users remove or upgrade Adobe Flash Player 6 (formerly Macromedia Flash Player)
that is included with Windows XP. Vulnerability Note VU#204889
discusses one vulnerability in Flash Player 6 and provides several workarounds.

These vulnerabilities could be exploited by loading specially crafted fonts or Flash content via Internet Explorer.

Microsoft assigns the EOT font vulnerability a "low" severity rating in most current versions of Windows and notes that reliable code execution is unlikely. The severity rating for Windows 2000, however, is "critical."

II. Impact

A remote, unauthenticated attacker could execute arbitrary code, gain elevated privileges, or cause a vulnerable application to crash.

III. Solution

Apply updates from Microsoft

Microsoft Security Bulletin MS10-001 provides updates for the EOT font vulnerability. The security bulletin describes any known issues related to the updates. Administrators are encouraged to note these issues and test for any potentially adverse effects.
Administrators should consider using an automated update distribution system such as Windows Server Update Services (WSUS).

Upgrade, Remove, or Disable Adobe Flash Player 6

Adobe Flash Player 6 is included with Windows XP. Adobe has addresssed these vulnerabilities in newer versions of Flash Player.
Upgrade to a more recent version of Flash Player (such as Flash Player 10). Alternatively, uninstall Flash Player or set the kill bit for the Flash Player ActiveX control as described in Microsoft Security Advisory (979267) and Vulnerability Note VU#204889.

Original Source

Url : http://www.us-cert.gov/cas/techalerts/TA10-012B.html

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-189 Numeric Errors (CWE/SANS Top 25)

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:8324
Oval ID: oval:org.mitre.oval:def:8324
Title: Microtype Express Compressed Fonts Integer Flaw in the LZCOMP Decompressor Vulnerability
Description: Integer overflow in the Embedded OpenType (EOT) Font Engine (t2embed.dll) in Microsoft Windows 2000 SP4; Windows XP SP2 and SP3; Windows Server 2003 SP2; Windows Vista Gold, SP1, and SP2; Windows Server 2008 Gold, SP2, and R2; and Windows 7 allows remote attackers to execute arbitrary code via compressed data that represents a crafted EOT font, aka "Microtype Express Compressed Fonts Integer Flaw in the LZCOMP Decompressor Vulnerability."
Family: windows Class: vulnerability
Reference(s): CVE-2010-0018
Version: 5
Platform(s): Microsoft Windows 2000
Microsoft Windows XP
Microsoft Windows Server 2003
Microsoft Windows Vista
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows 7
Definition Synopsis:

CPE : Common Platform Enumeration

Os 1
Os 3
Os 1
Os 8
Os 6
Os 3

OpenVAS Exploits

Date Description
2010-01-13 Name : Microsoft Embedded OpenType Font Engine Remote Code Execution Vulnerabilities...
File : nvt/secpod_ms10-001.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
61651 Microsoft Windows Embedded OpenType Font Engine LZCOMP Decompressor Font Hand...

Microsoft Windows is prone to an overflow condition. The Embedded Open Type font engine (OET) fails to properly sanitize user-supplied input resulting in an integer overflow. With a specially crafted font file, a remote attacker can potentially cause arbitrary code execution.

Snort® IPS/IDS

Date Description
2014-01-18 Microsoft Windows embedded OpenType font engine LZX decompression buffer over...
RuleID : 29014 - Revision : 4 - Type : OS-WINDOWS
2014-01-10 Microsoft Windows embedded OpenType font engine LZX decompression buffer over...
RuleID : 16366 - Revision : 13 - Type : OS-WINDOWS

Nessus® Vulnerability Scanner

Date Description
2010-01-12 Name : It is possible to execute arbitrary code on the remote Windows host using the...
File : smb_nt_ms10-001.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2013-05-11 00:53:46
  • Multiple Updates