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Category:   Application (Generic)  >   Microsoft Excel Vendors:   Microsoft
Microsoft Excel Memory Access Error Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1017485
SecurityTracker URL:  http://securitytracker.com/id/1017485
CVE Reference:   CVE-2007-0028   (Links to External Site)
Updated:  Jan 10 2007
Original Entry Date:  Jan 9 2007
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Excel 2000, 2002, 2003, Excel Viewer 2003; Works Suite 2004, 2005, and 2006; Office 2004 for Mac, Office v. X for Mac
Description:   A vulnerability was 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 '.xls' file that, when loaded by the target user, will trigger a memory access error and execute arbitrary code on the target system. The code will run with the privileges of the target user.

Microsoft Office Excel 2007 is not affected.

Jie Ma of Fortinet Security Research Team discovered this vulnerability.

The original advisory is available at:

http://www.fortinet.com/FortiGuardCenter/advisory/FG-2007-01.html

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 (which also fix other Excel vulnerabilities reported in Alert ID 1017487):

Microsoft Excel 2000:

http://www.microsoft.com/downloads/details.aspx?familyid=5CCF4455-6B22-4249-93D7-661D12839292

Microsoft Excel 2002:

http://www.microsoft.com/downloads/details.aspx?FamilyId=EE7278EA-3AEE-4994-9657-66019961D63C

Microsoft Excel 2003:

http://www.microsoft.com/downloads/details.aspx?FamilyId=79B88CE8-5C56-462F-AC1A-4BCE04C8F543

Microsoft Office Excel Viewer 2003:

http://www.microsoft.com/downloads/details.aspx?FamilyId=99AE7653-F0FD-4DBA-A151-098FD03E6EA4

Microsoft Works Suite 2004:

http://www.microsoft.com/downloads/details.aspx?FamilyId=EE7278EA-3AEE-4994-9657-66019961D63C

Microsoft Works Suite 2005:

http://www.microsoft.com/downloads/details.aspx?FamilyId=EE7278EA-3AEE-4994-9657-66019961D63C

Microsoft Office 2004 for Mac:

http://www.microsoft.com/mac/

Microsoft Office v. X for Mac:

http://www.microsoft.com/mac/

The Microsoft advisory is available at:

http://www.microsoft.com/technet/security/bulletin/ms07-002.mspx

Vendor URL:  www.microsoft.com/technet/security/bulletin/ms07-002.mspx (Links to External Site)
Cause:   Access control error
Underlying OS:  UNIX (macOS/OS X), Windows (2000), Windows (2003), Windows (XP)

Message History:   None.


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