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Microsoft Word Malformed Function Memory Corruption
Secunia Advisory: SA23950
Release Date: 2007-01-26
Last Update: 2007-02-13
Popularity: 31,679 views

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

Software:Microsoft Office 2000
Microsoft Office 2004 for Mac
Microsoft Word 2000

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CVE reference:CVE-2007-0515


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 parsing malformed functions. This can be exploited to corrupt memory via a specially crafted function in a Word document.

Successful exploitation allows execution of arbitrary code.

NOTE: The vulnerability is currently being actively exploited.

Solution:
Apply patches.

Microsoft Word 2000 (with Office 2000 SP3):
http://www.microsoft.com/downloads/de...=F1E61E6A-BE3D-4536-AF76-A11D5CE67199

Microsoft Office 2004 for Mac:
http://www.microsoft.com/mac/

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

Changelog:
2007-01-27: Added information from Microsoft.
2007-01-30: Added link to US-CERT.
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://www.microsoft.com/technet/security/advisory/932114.mspx
http://blogs.technet.com/msrc/archive...-security-advisory-932114-posted.aspx

Other References:
US-CERT VU#412225:
http://www.kb.cert.org/vuls/id/412225


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