full-disclosure - Secunia Research: OpenOffice.org Word Document Table Parsing Integer Underflow

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Message-Id: <200909010804.n81848Bo026772@ca.secunia.com>
Date: Tue, 1 Sep 2009 10:04:08 +0200
From: Secunia Research <remove-vuln@...unia.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Secunia Research: OpenOffice.org Word Document
	Table Parsing Integer Underflow

====================================================================== 

                     Secunia Research 01/09/2009

  - OpenOffice.org Word Document Table Parsing Integer Underflow -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software 

* OpenOffice.org 3.1

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Highly critical
Impact: System access
Where:  From remote

====================================================================== 
3) Vendor's Description of Software 

"OpenOffice.org 3 is the leading open-source office software suite for
word processing, spreadsheets, presentations, graphics, databases and
more.".

Product Link:
http://openoffice.org/

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in OpenOffice.org, 
which can be exploited by malicious people to potentially compromise a
user's system.

The vulnerability is caused due to an integer underflow error when 
parsing certain records in the document table. This can be exploited 
to cause a heap-based buffer overflow via a specially crafted file.

Successful exploitation may allow execution of arbitrary code.

====================================================================== 
5) Solution 

Update to version 3.1.1.

====================================================================== 
6) Time Table 

14/05/2009 - Vendor notified.
14/05/2009 - Vendor response.
01/09/2009 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Dyon Balding, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2009-0200 for the vulnerability.

====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-26/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================

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