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Category:   Application (Generic)  >   Microsoft Office Vendors:   Microsoft
Microsoft Office Excel File Memory Corruption Errors and Heap Overflows Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1027041
SecurityTracker URL:  http://securitytracker.com/id/1027041
CVE Reference:   CVE-2012-0141, CVE-2012-0142, CVE-2012-0143, CVE-2012-0184, CVE-2012-0185, CVE-2012-1847   (Links to External Site)
Date:  May 8 2012
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2003 SP3, 2007 SP2, 2007 SP3, 2010 SP1, Office 2008 for Mac, Office for Mac 2011
Description:   A vulnerability was reported in Microsoft Office. 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 via Microsoft Office, will trigger a memory corruption error or heap overflow and execute arbitrary code on the target system. The code will run with the privileges of the target user.

Microsoft Excel Viewer and Microsoft Office Compatibility Pack SP2/SP3 are also affected.

Omair (via iDefense), Sean Larsson and Jun Mao (via iDefense), and an anonymous researcher (via TippingPoint's Zero Day Initiative) reported these vulnerabilities.

Impact:   A remote user can create an Excel 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 Excel 2003 Service Pack 3:

http://www.microsoft.com/downloads/details.aspx?familyid=162901b1-4c1d-476f-99e9-218780897f92

Microsoft Excel 2007 Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=22b9b3a6-ad09-4397-892c-2190a86baf3e

Microsoft Office 2007 Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=6ff6650c-eaf4-4c7d-986c-c4d9e5324dac

Microsoft Excel 2007 Service Pack 3:

http://www.microsoft.com/downloads/details.aspx?familyid=22b9b3a6-ad09-4397-892c-2190a86baf3e

Microsoft Office 2007 Service Pack 3:

http://www.microsoft.com/downloads/details.aspx?familyid=6ff6650c-eaf4-4c7d-986c-c4d9e5324dac

Microsoft Excel 2010 (32-bit editions):

http://www.microsoft.com/downloads/details.aspx?familyid=f537f6d0-be63-42af-8b39-fa6f38715f84

Microsoft Office 2010 (32-bit editions):

http://www.microsoft.com/downloads/details.aspx?familyid=2e1060fa-c43d-42df-be5f-f536d9b39ba4

Microsoft Excel 2010 Service Pack 1 (32-bit editions):

http://www.microsoft.com/downloads/details.aspx?familyid=f537f6d0-be63-42af-8b39-fa6f38715f84

Microsoft Office 2010 Service Pack 1 (32-bit editions):

http://www.microsoft.com/downloads/details.aspx?familyid=2e1060fa-c43d-42df-be5f-f536d9b39ba4

Microsoft Excel 2010 (64-bit editions):

http://www.microsoft.com/downloads/details.aspx?familyid=123b96d9-de3f-4aab-bcf8-bf9089fef400

Microsoft Office 2010 (64-bit editions):

http://www.microsoft.com/downloads/details.aspx?familyid=ec4371f6-644d-430d-880f-12425f1b36d4

Microsoft Excel 2010 Service Pack 1 (64-bit editions):

http://www.microsoft.com/downloads/details.aspx?familyid=123b96d9-de3f-4aab-bcf8-bf9089fef400

Microsoft Office 2010 Service Pack 1 (64-bit editions):

http://www.microsoft.com/downloads/details.aspx?familyid=ec4371f6-644d-430d-880f-12425f1b36d4

Microsoft Office 2008 for Mac:

http://www.microsoft.com/downloads/details.aspx?familyid=8f85fc23-480e-4835-9ce5-0aa56702ef59

Microsoft Office for Mac 2011:

http://www.microsoft.com/downloads/details.aspx?familyid=5d88d3d4-89bd-44c3-9e5a-657998223e2f

Microsoft Excel Viewer:

http://www.microsoft.com/downloads/details.aspx?familyid=9dedfb18-a651-49f7-b1fc-78f7b6cb234a

Microsoft Office Compatibility Pack Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=a8386ad9-635f-45a7-b33e-ac9a3ca55f82

Microsoft Office Compatibility Pack Service Pack 3:

http://www.microsoft.com/downloads/details.aspx?familyid=a8386ad9-635f-45a7-b33e-ac9a3ca55f82

A restart may be required.

The Microsoft advisory is available at:

http://technet.microsoft.com/en-us/security/bulletin/ms12-030

Vendor URL:  technet.microsoft.com/en-us/security/bulletin/ms12-030 (Links to External Site)
Cause:   Access control error, Boundary error
Underlying OS:   UNIX (OS X), Windows (Any)

Message History:   None.


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