Signature Detail

HTTP: Microsoft Excel File Format Memory Corruption

This signature detects attempts to exploit a known vulnerability against Microsoft Excel. A successful attack can lead to arbitrary code execution.

Extended Description

Microsoft Excel is prone to a remote code-execution vulnerability due to a memory-corruption error. Attackers can exploit this issue by enticing an unsuspecting user to open a specially crafted Excel file. Successful exploits may allow attackers to execute arbitrary code with the privileges of the user running the affected application. Failed exploit attempts will likely result in a denial-of-service condition.

Affected Products

• Microsoft Excel 2003 SP1
• Microsoft Excel 2003 SP2
• Microsoft Excel 2003 SP3
• Microsoft Excel 2007 SP1
• Microsoft Excel 2007 SP2
• Microsoft Excel 2007 SP3
• Microsoft Excel 2007
• Microsoft Excel 2008 for Mac
• Microsoft Excel 2010 SP1
• Microsoft Excel 2010
• Microsoft Excel 2011 for Mac
• Microsoft Excel Viewer
• Microsoft Office 2007 SP1
• Microsoft Office 2007 SP2
• Microsoft Office 2007 SP3
• Microsoft Office 2007
• Microsoft Office 2010 (32-bit edition) SP1
• Microsoft Office 2010 (32-bit edition)
• Microsoft Office 2010 (64-bit edition) SP1
• Microsoft Office 2010 (64-bit edition)
• Microsoft Office Compatibility Pack SP2
• Microsoft Office Compatibility Pack SP3

References

• BugTraq: 53342
• CVE: CVE-2012-0141