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Highly critical

Microsoft Office XP Word Multiple Vulnerabilities

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Release Date:  2010-10-12    Last Update:  2010-12-23    Views:  4,113

Secunia Advisory SA41785

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Multiple vulnerabilities have been reported in Microsoft Word 2002, which can be exploited by malicious people to compromise a user's system.

1) An error when parsing a specially crafted Word file may result in an uninitialised pointer being used.

2) An improper boundary check when parsing a specially crafted Word file can be exploited to corrupt memory.

3) An error in the handling of certain index values in a specially crafted Word file can be exploited to corrupt memory.

4) An error in the handling of certain return values when parsing a specially crafted Word file can be exploited to corrupt memory.

5) An error in the handling of bookmarks when parsing a specially crafted Word file can be exploited to corrupt memory.

6) A double-free error when processing LFO (List Format Override) records can be exploited to corrupt memory via a specially crafted Word document.

7) An error in the handling of certain records when parsing a specially crafted Word file can be exploited to cause a heap-based buffer overflow.

8) An error in the handling of certain indexes when parsing BKF objects in a specially crafted Word file can be exploited to corrupt memory.

9) An error in the parsing of LVL structures in a specially crafted Word file can be exploited to corrupt memory.

10) An error in the handling of certain malformed records when parsing a specially crafted Word file can be exploited to corrupt memory.

11) A boundary error when parsing a specially crafted Word file can be exploited to cause a stack-based buffer overflow.

Successful exploitation of the vulnerabilities may allow execution of arbitrary code.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
6) Alin Rad Pop, Secunia Research.
1-10) Chaouki Bekrar, Vupen.
11) Nicolas Joly, Vupen.

Original Advisory:
MS10-079 (KB2293194, KB2328360):
http://www.microsoft.com/technet/security/bulletin/ms10-079.mspx

Secunia Research:
http://secunia.com/secunia_research/2010-76/

Vupen:
http://archives.neohapsis.com/archives/bugtraq/2010-10/0115.html
http://archives.neohapsis.com/archives/bugtraq/2010-10/0117.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Microsoft Office XP Word Multiple Vulnerabilities

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