Signature Detail

HTTP: Microsoft Office Excel Featheader Record Memory Corruption

This signature detects attempts to exploit a known code execution vulnerability in Microsoft Office Excel products. It is due to the way that Microsoft Office Excel handles specially crafted Excel files. In a successful attack, the behavior of the target is dependent on the intention of the malicious code. In an unsuccessful attack, the vulnerable application terminates abnormally.

Extended Description

Microsoft Excel is prone to a remote code-execution vulnerability. Attackers can exploit this issue by enticing victims into opening a specially crafted Excel ('.xls') file. Successful exploits can allow attackers to execute arbitrary code with the privileges of the user running the application.

Affected Products

• Microsoft Excel 2002 SP1
• Microsoft Excel 2002 SP2
• Microsoft Excel 2002 SP3
• Microsoft Excel 2003 SP1
• Microsoft Excel 2003 SP2
• Microsoft Excel 2003 SP3
• Microsoft Excel 2003
• Microsoft Excel 2007 SP1
• Microsoft Excel 2007 SP2
• Microsoft Excel 2007
• Microsoft Excel Viewer SP1
• Microsoft Excel Viewer SP2
• Microsoft Office 2004 for Mac
• Microsoft Office 2008 for Mac
• Microsoft Office Compatibility Pack 2007 SP1
• Microsoft Office Compatibility Pack 2007 SP2
• Microsoft Office Compatibility Pack 2007
• Microsoft Office Excel Viewer 2003 SP3
• Microsoft Office Excel Viewer 2003
• Microsoft Open XML File Format Converter for Mac

References

• BugTraq: 36945
• CVE: CVE-2009-3129