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Microsoft Windows Embedded Web Fonts Code Execution Vulnerability
Secunia Advisory: SA18365
Release Date: 2006-01-10
Last Update: 2006-02-28
Popularity: 16,855 views

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

OS:Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows XP Embedded
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

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CVE reference:CVE-2006-0010


Description:
A vulnerability has been reported in Microsoft Windows, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in T2EMBED.DLL when handling malformed embedded Web fonts. This can be exploited to cause a heap-based buffer overflow and allows execution arbitrary code when a user visits a malicious website or views an e-mail message that contains a specially-crafted embedded Web font.

Solution:
Apply patches.

Microsoft Windows 2000 (requires Service Pack 4):
http://www.microsoft.com/downloads/de...=DC6C2FE8-3C81-4661-994B-4146775BF590

Microsoft Windows XP (requires Service Pack 1 or 2):
http://www.microsoft.com/downloads/de...=6DAEA2AF-3723-4CDF-B5BD-B21AC75B5243

Microsoft Windows XP Professional x64 Edition:
http://www.microsoft.com/downloads/de...=1990B2CF-AE88-4849-AEAB-3F833969E197

Windows XP Embedded SP1:
http://www.microsoft.com/downloads/de...-b356-45eb3f4c2f1b&DisplayLang=en

Windows XP Embedded SP2:
http://www.microsoft.com/downloads/de...-b519-576cfab9d55f&DisplayLang=en

Microsoft Windows Server 2003 (with or without Service Pack 1):
http://www.microsoft.com/downloads/de...=5FC12654-486F-45BF-8D34-BDF0998869C5

Microsoft Windows Server 2003 (Itanium) (with or without SP1):
http://www.microsoft.com/downloads/de...=E39D2E29-8934-4AA1-844D-11EFA57D9CC5

Microsoft Windows Server 2003 x64 Edition:
http://www.microsoft.com/downloads/de...=80B05C56-5BCE-4262-8142-AF0D8A7BC388

See vendor's advisory for information about Microsoft Windows 98, Microsoft Windows 98 Second Edition (SE), and Microsoft Windows Millennium Edition (ME).

Provided and/or discovered by:
Fang Xing, eEye Digital Security.

Additional information by:
Piotr Bania

Changelog:
2006-01-11: Updated "Description", credit, and "Original Advisory" sections.
2006-02-28: Added fixes for Windows XP Embedded.

Original Advisory:
MS06-002 (KB908519):
http://www.microsoft.com/technet/security/Bulletin/MS06-002.mspx

eEye Digital Security:
http://www.eeye.com/html/research/advisories/AD20060110.html

Piotr Bania:
http://www.piotrbania.com/all/adv/MS06-002-adv.txt

Other References:
US-CERT VU#915930:
http://www.kb.cert.org/vuls/id/915930


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