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Microsoft Word Smart Tag Invalid Length Processing Vulnerability
Secunia Advisory: SA30975
Release Date: 2008-07-09
Last Update: 2008-08-12
Popularity: 19,074 views

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

Software:Microsoft Office 2003 Professional Edition
Microsoft Office 2003 Small Business Edition
Microsoft Office 2003 Standard Edition
Microsoft Office 2003 Student and Teacher Edition
Microsoft Office XP
Microsoft Word 2002
Microsoft Word 2003

Binary Analysis: BA515 :: Available for 1 Credit

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CVE reference:CVE-2008-2244


Description:
A vulnerability has been discovered in Microsoft Word, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an error in the processing of smart tag length values, which can be exploited to cause memory corruption via a specially crafted document.

Successful exploitation allows execution of arbitrary code.

NOTE: According to the vendor, the vulnerability is currently being actively exploited.

Solution:
Apply patches.

Microsoft Word 2002 SP3:
http://www.microsoft.com/downloads/de...=c7146dfc-e1be-4d13-877b-1d9bcacc4a64

Microsoft Word 2003 SP2:
http://www.microsoft.com/downloads/de...=13a37b76-9fec-426f-8176-3c95f934efe0

Microsoft Word 2003 SP3:
http://www.microsoft.com/downloads/de...=13a37b76-9fec-426f-8176-3c95f934efe0

Provided and/or discovered by:
Reported as a 0-day.

Changelog:
2008-08-12: Added additional details. Updated "Solution" section. Added Microsoft Office 2003 and Microsoft Word 2003 as affected.

Original Advisory:
MS08-042 (KB955048):
http://www.microsoft.com/technet/security/Bulletin/MS08-042.mspx

Microsoft:
http://www.microsoft.com/technet/security/advisory/953635.mspx


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