Microsoft Office 'MSO.dll' Uninitialized Pointer (CVE-2011-1982) Remote Code Execution Vulnerability

Bugtraq ID:	49513
Class:	Design Error
CVE:	CVE-2011-1982
Remote:	Yes
Local:	No
Published:	Sep 13 2011 12:00AM
Updated:	Sep 13 2011 12:00AM
Credit:	David Warren of the CERT/CC.
Vulnerable:	Microsoft Office 2010 (64-bit edition) SP1 Microsoft Office 2010 (64-bit edition) 0 Microsoft Office 2010 (32-bit edition) 0 Microsoft Office 2010 0 Microsoft Office 2010 (32-bit edition) SP1 Microsoft Office 2007 SP2 Microsoft Office 2007 SP1 Microsoft Office 2007 0 + Microsoft Access 2007 0 + Microsoft Access 2007 0 + Microsoft Excel 2003 + Microsoft Excel 2007 0 + Microsoft Excel 2007 0 + Microsoft FrontPage 2003 + Microsoft Groove 2007 0 + Microsoft Groove 2007 0 + Microsoft InfoPath 2003 + Microsoft InfoPath 2007 0 + Microsoft InfoPath 2007 0 + Microsoft Office Communicator 2007 0 + Microsoft Office Communicator 2007 0 + Microsoft OneNote 2003 0 + Microsoft Outlook 2003 0 + Microsoft Outlook 2007 0 + Microsoft Outlook 2007 0 + Microsoft PowerPoint 2003 0 + Microsoft PowerPoint 2007 0 + Microsoft PowerPoint 2007 0 + Microsoft Project Professional 2007 0 + Microsoft Project Professional 2007 0 + Microsoft Project Standard 2007 0 + Microsoft Project Standard 2007 0 + Microsoft Publisher 2003 + Microsoft Publisher 2007 0 + Microsoft Publisher 2007 0 + Microsoft SharePoint Designer 2007 0 + Microsoft SharePoint Designer 2007 0 + Microsoft Visio Professional 2007 0 + Microsoft Visio Professional 2007 0 + Microsoft Visio Standard 2007 0 + Microsoft Visio Standard 2007 0
Not Vulnerable:

Microsoft Office 'MSO.dll' Uninitialized Pointer (CVE-2011-1982) Remote Code Execution Vulnerability

Microsoft Office is prone to a remote code-execution vulnerability.

Attackers can exploit this issue by enticing an unsuspecting user to open a specially crafted Word file.

Successful exploits can allow attackers to execute arbitrary code with the privileges of the user running the application. Failed exploit attempts will result in a denial-of-service condition.

Microsoft Office 'MSO.dll' Uninitialized Pointer (CVE-2011-1982) Remote Code Execution Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Microsoft Office 'MSO.dll' Uninitialized Pointer (CVE-2011-1982) Remote Code Execution Vulnerability

Solution:
Vendor updates are available. Please see the references for details.


Microsoft Office 2010 (64-bit edition) SP1

• Microsoft Security Update for Microsoft Office 2010 (KB2584066), 64-Bit Edition
  http://www.microsoft.com/downloads/details.aspx?familyid=85360DC1-99E7 -4E3E-BE6F-3795E8A8122F

Microsoft Office 2010 (64-bit edition) 0

• Microsoft Security Update for Microsoft Office 2010 (KB2584066), 64-Bit Edition
  http://www.microsoft.com/downloads/details.aspx?familyid=85360DC1-99E7 -4E3E-BE6F-3795E8A8122F

Microsoft Office 2010 (32-bit edition) SP1

• Microsoft Security Update for Microsoft Office 2010 (KB2584066), 32-Bit Edition
  http://www.microsoft.com/downloads/details.aspx?familyid=3C8FD04A-9DF6 -4726-A9BC-811F49665981

Microsoft Office 2010 (32-bit edition) 0

• Microsoft Security Update for Microsoft Office 2010 (KB2584066), 32-Bit Edition
  http://www.microsoft.com/downloads/details.aspx?familyid=3C8FD04A-9DF6 -4726-A9BC-811F49665981

Microsoft Office 2007 SP2

• Microsoft Security Update for Microsoft Office 2007 System (KB2584063)
  http://www.microsoft.com/downloads/details.aspx?familyid=34BBEE95-0E83 -4705-8BFE-02E4FB22F8E7

Microsoft Office 'MSO.dll' Uninitialized Pointer (CVE-2011-1982) Remote Code Execution Vulnerability

References:

• Microsoft Office Product Homepage (Microsoft)
  
• Microsoft Office uninitialized object pointer vulnerability (CERT)
  
• Microsoft Security Bulletin MS11-073 (Microsoft)