Intrusion Prevention

MS.Excel.Field.Sanitization.Memory.Corruption

Description

This indicates an attempt to exploit a memory-corruption vulnerability in
Microsoft Excel.
The vulnerability is caused by a field sanitization issue that occurs when the vulnerable software handles an XLS file that includes malicious records. A remote attacker may exploit this to execute arbitrary code.

Affected Products

Microsoft Office Excel 2000 Service Pack 3
Microsoft Office Excel 2002 Service Pack 3
Microsoft Office Excel 2003 Service Pack 3
Microsoft Office Excel 2007 Service Pack 1
Microsoft Office Excel 2007 Service Pack 2
Microsoft Office for Mac 2004
Microsoft Office for Mac 2008
Microsoft Office Open XML File Converter for MAC
Microsoft Office Excel Viewer 2003 Service Pack 3
Microsoft Office Excel Viewer
Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 1 and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 2

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply patch, available from the web site:
http://www.microsoft.com/technet/security/Bulletin/ms09-021.mspx

CVE References

CVE-2009-0560