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OpenOffice.org Word Document Handling Heap Overflow

OpenOffice.org Word Document Handling Heap Overflow
Posted Feb 16, 2010
Authored by Nicolas Joly | Site vupen.com

VUPEN Vulnerability Research Team discovered critical vulnerabilities affecting OpenOffice.org. The first vulnerability is caused by a heap overflow error when processing malformed "sprmTDefTable" records in a Word document, which could be exploited by attackers to execute arbitrary code. The second vulnerability is caused by a heap overflow error when processing malformed "sprmTSetBrc" records in a Word document, which could be exploited by attackers to compromise a vulnerable system. Versions prior to 3.2 are affected.

tags | advisory, overflow, arbitrary, vulnerability
advisories | CVE-2009-3301, CVE-2009-3302
MD5 | 67735cd0461497168c805085ab51f76e

OpenOffice.org Word Document Handling Heap Overflow

Change Mirror Download
VUPEN Security Research - OpenOffice.org Word Document Handling Heap 
Overflow Vulnerabilities

http://www.vupen.com/english/research.php


I. BACKGROUND
---------------------

OpenOffice.org (OO.o or OOo), commonly known as OpenOffice, is an
open source software application suite available for a number of
different computer operating systems. It is distributed as free
software and written using its own GUI toolkit. It supports the
ISO/IEC standard OpenDocument Format (ODF) for data interchange
as its default file format, as well as Microsoft Office formats
among others. (Wikipedia)


II. DESCRIPTION
---------------------

VUPEN Vulnerability Research Team discovered critical vulnerabilities
affecting OpenOffice.org.

The first vulnerability is caused by a heap overflow error when
processing malformed "sprmTDefTable" records in a Word document,
which could be exploited by attackers to execute arbitrary code.

The second vulnerability is caused by a heap overflow error when
processing malformed "sprmTSetBrc" records in a Word document,
which could be exploited by attackers to compromise a vulnerable
system.


III. AFFECTED PRODUCTS
--------------------------------

OpenOffice.org versions prior to 3.2


IV. Exploits - PoCs & Binary Analysis
----------------------------------------

In-depth binary analysis of the vulnerabilities and exploits/PoCs
have been released by VUPEN Security through the VUPEN Exploits &
PoCs Service :

http://www.vupen.com/exploits


V. SOLUTION
----------------

Upgrade to OpenOffice.org version 3.2


VI. CREDIT
--------------

The vulnerabilities were discovered by Nicolas JOLY of VUPEN Security


VII. ABOUT VUPEN Security
---------------------------------

VUPEN is a leading IT security research company providing vulnerability
management services to allow enterprises and organizations to eliminate
vulnerabilities before they can be exploited, ensure security policy
compliance and meaningfully measure and manage risks.

VUPEN also provides research services for security vendors (antivirus,
IDS, IPS,etc) to supplement their internal vulnerability research efforts
and quickly develop vulnerability-based and exploit-based signatures,
rules, and filters, and proactively protect their customers against
potential threats.

* VUPEN Vulnerability Notification Service:

http://www.vupen.com/english/services

* VUPEN Exploits and In-Depth Vulnerability Analysis:

http://www.vupen.com/exploits


VIII. REFERENCES
----------------------

http://www.vupen.com/english/advisories/2010/0366
http://www.openoffice.org/security/cves/CVE-2009-3301-3302.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3301
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3302



IX. DISCLOSURE TIMELINE
-----------------------------------

2009-11-03 - Vendor notified
2009-11-05 - Vendor response
2009-11-10 - Status update received
2009-12-21 - Status update received
2010-02-02 - Status update received
2010-02-12 - Coordinated public Disclosure


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