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Category:   Application (Generic)  >   Microsoft Excel Vendors:   Microsoft
Microsoft Excel Errors in Processing Various Malformed Records Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1016472
SecurityTracker URL:
CVE Reference:   CVE-2006-1301, CVE-2006-1302, CVE-2006-1304, CVE-2006-1306, CVE-2006-1308, CVE-2006-1309, CVE-2006-2388   (Links to External Site)
Date:  Jul 11 2006
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2000, 2002, 2003, 2004 for Mac, v. X for Mac
Description:   Several 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 memory error or buffer overflow and execute arbitrary code on the target system. The code will run with the privileges of the target user.

Specially crafted SELECTION, COLINFO, OBJECT, FNGROUPCOUNT, and LABEL records can trigger these vulnerabilities.

Some of these vulnerabilities have already been publicly disclosed.

Microsoft credits the following individuals and organizations with reporting these vulnerabilities:

NSFocus Security Team
Arnaud Dovi
Sowhat of Nevis Labs
Xin Ouyang of Nevis Networks
Shaun Colley of NGSS Consulting
Costin Ionescu of Symantec

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 Excel 2003:

Microsoft Excel Viewer 2003:

Microsoft Excel 2002:

Microsoft Excel 2000:

Microsoft Excel 2004 for Mac:

Microsoft Excel v. X for Mac:

A restart may be required.

The Microsoft bulletin is available at:

Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (2000), Windows (2003), Windows (XP)

Message History:   None.

 Source Message Contents

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