Microsoft Excel Malformed Object Remote Memory Corruption Vulnerability

Bugtraq ID:	34413
Class:	Unknown
CVE:	CVE-2009-0100
Remote:	Yes
Local:	No
Published:	Apr 14 2009 12:00AM
Updated:	Apr 20 2009 10:46PM
Credit:	Haifei Li of Fortinet�??s FortiGuard Global Security Research Team
Vulnerable:	Microsoft Office Excel Viewer 2003 0 Microsoft Office Excel Viewer 2003 SP3 Microsoft Office Excel Viewer 0 Microsoft Office Compatibility Pack 2007 SP1 Microsoft Office Compatibility Pack 2007 0 Microsoft Office 2008 for Mac 0 Microsoft Office 2004 for Mac 0 Microsoft Excel 2007 SP1 Microsoft Excel 2007 0 Microsoft Excel 2003 SP3 Microsoft Excel 2002 SP3 + Microsoft Office XP SP3 Microsoft Excel 2000 SP3 + Microsoft Office 2000 SP3 - Microsoft Windows 2000 Professional SP3 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 98 - Microsoft Windows 98SE - Microsoft Windows ME - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6 - Microsoft Windows NT Workstation 4.0 SP5 - Microsoft Windows NT Workstation 4.0 SP4 - Microsoft Windows NT Workstation 4.0 SP3 - Microsoft Windows NT Workstation 4.0 SP2 - Microsoft Windows NT Workstation 4.0 SP1 - Microsoft Windows NT Workstation 4.0 - Microsoft Windows XP Home SP1 - Microsoft Windows XP Home - Microsoft Windows XP Professional SP1 - Microsoft Windows XP Professional
Not Vulnerable:

Microsoft Excel Malformed Object Remote Memory Corruption Vulnerability

Microsoft Excel is prone to a memory-corruption vulnerability.

Attackers may exploit this issue by enticing victims into opening a maliciously crafted Excel file.

Successful exploits may allow attackers to execute arbitrary code with the privileges of the user running the application.

Microsoft Excel Malformed Object Remote Memory Corruption Vulnerability

Core Security Technologies has developed a working commercial exploit for its CORE IMPACT product. This exploit is not otherwise publicly available or known to be circulating in the wild.

Microsoft Excel Malformed Object Remote Memory Corruption Vulnerability

Solution:
Microsoft has released a security bulletin along with fixes. Please see the references for more information.


Microsoft Office 2008 for Mac 0

• Microsoft Microsoft Office 2008 for Mac 12.1.7 Update
  http://www.microsoft.com/downloads/details.aspx?familyid=f6e407eb-11a5 -433f-8006-4b822953ca98

Microsoft Excel 2002 SP3

• Microsoft Security Update for Microsoft Excel 2002 (KB959988)
  http://www.microsoft.com/downloads/details.aspx?familyid=9a52bf4b-05f6 -4b73-94b9-28ed7e20f86c

Microsoft Excel 2007 SP1

• Microsoft Security Update for Microsoft Office Excel 2007 (KB959997)
  http://www.microsoft.com/downloads/details.aspx?familyid=50d8630b-1365 -4007-81a0-18c0d6d4b86e

Microsoft Office 2004 for Mac 0

• Microsoft Microsoft Office 2004 for Mac 11.5.4 Update
  http://www.microsoft.com/downloads/details.aspx?familyid=52271140-89be -4b9c-baa2-cea09097d703

Microsoft Excel 2003 SP3

• Microsoft Security Update for Microsoft Office Excel 2003 (KB959995)
  http://www.microsoft.com/downloads/details.aspx?familyid=d9dbfa63-c0cb -4c84-9b8a-6e52568045b0

Microsoft Excel 2000 SP3

• Microsoft Security Update for Microsoft Excel 2000 (KB959964)
  http://www.microsoft.com/downloads/details.aspx?familyid=3dc8b670-25a5 -4f46-b7de-12bc693b628a

Microsoft Office Excel Viewer 2003 SP3

• Microsoft Security Update for Microsoft Office Excel Viewer 2003 (KB959993)
  http://www.microsoft.com/downloads/details.aspx?familyid=c72e6087-b48f -4d2d-8366-01d9f5ff6b6c

Microsoft Office Compatibility Pack 2007 SP1

• Microsoft Security Update for 2007 Microsoft Office System (KB960003)
  http://www.microsoft.com/downloads/details.aspx?familyid=05f7c517-e551 -4dcd-b24a-5d548f2d09cf

Microsoft Excel Malformed Object Remote Memory Corruption Vulnerability

References:

• Microsoft Excel Homepage (Microsoft )
  
• Microsoft Office Excel Memory Corruption Vulnerability (Fortinet, Inc.)
  
• Microsoft Office Excel Remote Memory Corruption Vulnerability ('[email protected]' )
  
• Microsoft Security Bulletin MS09-009 (Microsoft)