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Insecure Library Loading
Highly critical

Microsoft Office String and Property Parsing Vulnerabilities

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Release Date:  2006-07-11    Last Update:  2006-07-12    Views:  17,843

Secunia Advisory SA21012

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


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

1) An error within the string parsing can be exploited to cause a buffer overflow when a malicious Office document containing a malformed string is opened.

2) An integer underflow error in MSO.DLL within the parsing of "Sheet Name" strings can be exploited to cause a buffer overflow when a malicious Office document is opened.

3) An error within the property handling can be exploited to cause a buffer overflow when a malicious Office document containing a malformed property is opened.

Successful exploitation of the vulnerabilities allows execution of arbitrary code.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) Reported by the vendor.
2) posidron (also reported by Elia Florio, Symantec).
3) Reported by the vendor.

Original Advisory:
MS06-038 (KB917284):
http://www.microsoft.com/technet/security/Bulletin/MS06-038.mspx

Symantec:
http://www.symantec.com/enterprise/research/SYMSA-2006-007.txt

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 String and Property Parsing Vulnerabilities

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