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Category:   Application (Generic)  >   Microsoft Excel Vendors:   Microsoft
Microsoft Excel Multiple Bugs Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1025337
SecurityTracker URL:  http://securitytracker.com/id/1025337
CVE Reference:   CVE-2011-0097, CVE-2011-0098, CVE-2011-0101, CVE-2011-0103, CVE-2011-0104, CVE-2011-0105, CVE-2011-0978, CVE-2011-0979, CVE-2011-0980   (Links to External Site)
Date:  Apr 12 2011
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2002 SP3, 2003 SP3, 2007 SP2, 2010; Excel Viewer SP2; Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2
Description:   Multiple vulnerabilities were reported in Microsoft Excel. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted Excel file that, when loaded by the target user, will trigger a buffer overflow or memory corruption error and execute arbitrary code on the target system. The code will run with the privileges of the target user.

Microsoft Office XP SP3, 2003 SP3, 2007 SP2, and 2010 are also affected.

Microsoft Office 2004 for Mac, Microsoft Office 2008 for Mac, Microsoft Office for Mac 2011, and Open XML File Format Converter for Mac are also affected.

Alin Rad Pop of Secunia Research, Muhammad Junaid Bohio of Telus Security Labs, Aniway (via TippingPoint's Zero Day Initiative, an anonymous researcher, Rodrigo Rubira Branco of Check Point Vulnerability Discovery Team (VDT), and an anonymous researcher (via TippingPoint's Zero Day Initiative) reported these vulnerabilities.

Impact:   A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued the following fixes:

Microsoft Office XP Service Pack 3, Microsoft Excel 2002 Service Pack 3:

http://www.microsoft.com/downloads/details.aspx?familyid=db2c5cfe-588c-4646-b86a-3fb8248f7af4

Microsoft Office 2003 Service Pack 3, Microsoft Excel 2003 Service Pack 3:

http://www.microsoft.com/downloads/details.aspx?familyid=916a076d-d754-4092-b23d-c8826db7e397

Microsoft Office 2007 Service Pack 2, Microsoft Excel 2007 Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=5ae34fe0-03bd-48a9-a7ac-de8f7b1aff90

Microsoft Office 2010 (32-bit editions), Microsoft Excel 2010 (32-bit editions):

http://www.microsoft.com/downloads/details.aspx?familyid=a427f0e2-b74d-4ef3-bec4-0a101d09bfa3

Microsoft Office 2010 (64-bit editions), Microsoft Excel 2010 (64-bit editions):

http://www.microsoft.com/downloads/details.aspx?familyid=13dca35d-2209-4c5c-9150-d6db2bb3b496

Microsoft Office 2004 for Mac:

http://www.microsoft.com/downloads/details.aspx?familyid=f756d836-6ab2-4adb-9dee-6cb523d7c1f5

Microsoft Office 2008 for Mac:

http://www.microsoft.com/downloads/details.aspx?familyid=84dfe3f4-a2a1-47b9-8da1-29ae67230918

Microsoft Office for Mac 2011:

http://www.microsoft.com/downloads/details.aspx?familyid=ef1e612f-d8e3-4628-9fe4-ad136f0debd3

Open XML File Format Converter for Mac:

http://www.microsoft.com/downloads/details.aspx?familyid=0c323a12-6385-4666-ad39-a9516a8eda14

Microsoft Excel Viewer Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=2d75786a-2368-4ef2-970b-fa2e57d63ca9

Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=946cc611-4d75-4728-b9d3-1c8b557b02c2

A restart may be required.

The Microsoft advisory is available at:

http://www.microsoft.com/technet/security/bulletin/ms11-021.mspx

Vendor URL:  www.microsoft.com/technet/security/bulletin/ms11-021.mspx (Links to External Site)
Cause:   Access control error, Boundary error
Underlying OS:  UNIX (macOS/OS X), Windows (Any)

Message History:   None.


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