exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Microsoft Office Excel OBJ Buffer Overflow

Microsoft Office Excel OBJ Buffer Overflow
Posted Jun 9, 2010
Authored by Nicolas Joly | Site vupen.com

Microsoft Office Excel suffers from a buffer overflow vulnerability when processing malformed OBJ records.

tags | advisory, overflow
advisories | CVE-2010-0822
SHA-256 | 5bee95bdc1bdf3fcbe191a09dc981cca5c548eea39553142949233658f95acf3

Microsoft Office Excel OBJ Buffer Overflow

Change Mirror Download
VUPEN Security Research - Microsoft Office Excel OBJ Stack Overflow 
Vulnerability (CVE-2010-0822)

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


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

"Microsoft Office Excel is a powerful tool you can use to create and
format spreadsheets, and analyze and share information to make more
informed decisions. With the Microsoft Office Fluent user interface,
rich data visualization, and PivotTable views, professional-looking
charts are easier to create and use." (microsoft.com)


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

VUPEN Vulnerability Research Team discovered a critical vulnerability
affecting Microsoft Office Excel.

The vulnerability is caused by a buffer overflow error when processing
malformed OBJ (recType 0x5D) records, which could be exploited by
attackers to execute arbitrary code by tricking a user into opening
a specially crafted Excel document.



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

Microsoft Office Excel 2002 Service Pack 3
Microsoft Office 2004 for Mac
Microsoft Office 2008 for Mac
Open XML File Format Converter for Mac


IV. Binary Analysis & Proof-of-concept
---------------------------------------

In-depth binary analysis of the vulnerability and a proof-of-concept
have been published by VUPEN through the VUPEN Binary Analysis & Exploits
portal :

http://www.vupen.com/exploits/


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

Apply MS10-038 security update:
http://www.microsoft.com/technet/security/bulletin/ms10-038.mspx


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

The vulnerability was discovered by Nicolas Joly of VUPEN Security


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

VUPEN is a leading IT security research company providing vulnerability
management and security intelligence solutions which enable enterprises
and institutions to eliminate vulnerabilities before they can be exploited,
ensure security policy compliance and meaningfully measure and manage risks.

Governmental and federal agencies, and global enterprises in the financial
services, insurance, manufacturing and technology industries rely on VUPEN
to improve their security, prioritize resources, cut time and costs, and
stay ahead of the latest threats.

* VUPEN Vulnerability Notification Service:
http://www.vupen.com/english/services/

* VUPEN Binary Analysis & Exploits Service :
http://www.vupen.com/exploits/

* VUPEN Web Application Security Scanner (WASS):
http://www.vupen.com/english/wass/


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

http://www.vupen.com/english/advisories/2010/1395
http://www.microsoft.com/technet/security/bulletin/ms10-038.mspx
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0822


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

2009-11-16 - Vendor notified
2009-11-16 - Vendor response
2010-01-26 - Status update received
2010-03-03 - Status update received
2010-04-27 - Status update received
2010-06-08 - Coordinated public Disclosure

Login or Register to add favorites

File Archive:

March 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    16 Files
  • 2
    Mar 2nd
    0 Files
  • 3
    Mar 3rd
    0 Files
  • 4
    Mar 4th
    32 Files
  • 5
    Mar 5th
    28 Files
  • 6
    Mar 6th
    42 Files
  • 7
    Mar 7th
    17 Files
  • 8
    Mar 8th
    13 Files
  • 9
    Mar 9th
    0 Files
  • 10
    Mar 10th
    0 Files
  • 11
    Mar 11th
    15 Files
  • 12
    Mar 12th
    19 Files
  • 13
    Mar 13th
    21 Files
  • 14
    Mar 14th
    38 Files
  • 15
    Mar 15th
    15 Files
  • 16
    Mar 16th
    0 Files
  • 17
    Mar 17th
    0 Files
  • 18
    Mar 18th
    10 Files
  • 19
    Mar 19th
    32 Files
  • 20
    Mar 20th
    46 Files
  • 21
    Mar 21st
    16 Files
  • 22
    Mar 22nd
    13 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    12 Files
  • 26
    Mar 26th
    31 Files
  • 27
    Mar 27th
    19 Files
  • 28
    Mar 28th
    0 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close