Microsoft Word Malformed Data Structures Vulnerability - Advisories

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Microsoft Word Malformed Data Structures Vulnerability

Secunia Advisory:	SA23205
Release Date:	2006-12-11
Last Update:	2007-02-14

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

Software:	Microsoft Office 2000 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 2004 for Mac Microsoft Office XP Microsoft Word 2000 Microsoft Word 2002 Microsoft Word 2003 Microsoft Word Viewer 2003 Microsoft Works Suite 2004 Microsoft Works Suite 2005 Microsoft Works Suite 2006

CVE reference:	CVE-2006-6456 (Secunia mirror)

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Description: A vulnerability has been reported in Microsoft Word, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to an unspecified error when processing data structures. This can be exploited to cause a memory corruption via specially crafted data structures in a Word document. NOTE: The vulnerability is already being actively exploited. Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector. Solution: Apply patches. Microsoft Word 2000 (with Office 2000 SP3): http://www.microsoft.com/downloads/de...=F1E61E6A-BE3D-4536-AF76-A11D5CE67199 Microsoft Word 2002 (with Office XP SP3): http://www.microsoft.com/downloads/de...=A1CA8DD7-0622-4D66-A85F-A6586545EF9D Microsoft Word 2003 (with Office 2003 SP2): http://www.microsoft.com/downloads/de...=882F8503-DA72-43C9-B556-A002EC58F289 Microsoft Word Viewer 2003: http://www.microsoft.com/downloads/de...=FB59798B-AFE2-4103-9991-CBDD7686F9AD Microsoft Works Suite 2004: http://www.microsoft.com/downloads/de...=A1CA8DD7-0622-4D66-A85F-A6586545EF9D Microsoft Works Suite 2005: http://www.microsoft.com/downloads/de...=A1CA8DD7-0622-4D66-A85F-A6586545EF9D Microsoft Works Suite 2006: http://www.microsoft.com/downloads/de...=A1CA8DD7-0622-4D66-A85F-A6586545EF9D Microsoft Office 2004 for Mac: http://www.microsoft.com/mac/ Provided and/or discovered by: Reported as a 0-day. The vendor also credits Shih-hao Weng, Information and Communication Security Technology Center. Changelog: 2006-12-12: Added CVE reference. 2007-02-13: Added additional information from Microsoft. Updated "Solution" section. Original Advisory: MS07-014 (KB929434): http://www.microsoft.com/technet/security/Bulletin/MS07-014.mspx Microsoft: http://blogs.technet.com/msrc/archive...10/new-report-of-a-word-zero-day.aspx Other References: SA23232: http://secunia.com/advisories/23232/ CERT VU#166700: http://www.kb.cert.org/vuls/id/166700



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise. Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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