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Insecure Library Loading
Highly critical

Corel WordPerfect Document Processing Buffer Overflow

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Release Date:  2007-03-29    Last Update:  2007-04-02    Views:  10,953

Secunia Advisory SA24664

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

CVE Reference(s):

Description


Jonathan So has discovered a vulnerability in Corel WordPerfect Office X3, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the processing of WordPerfect documents. This can be exploited to cause a stack-based buffer overflow via a specially crafted document with an overly long (greater than 256 WCHAR bytes) printer selection file name.

Successful exploitation allows execution of arbitrary code but requires that the user is tricked into e.g. opening a malicious document.

The vulnerability is confirmed in version 13.0.0.565. Other versions may also be affected.


Solution:
Do not open untrusted documents.

Provided and/or discovered by:
Jonathan So

Original Advisory:
http://www.nop-art.net/advisories/wpwin13.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: Corel WordPerfect Document Processing Buffer Overflow

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