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