Rule Category

FILE-OFFICE -- Snort detected traffic targeting vulnerabilities in files belonging to the Microsoft Office suite of software (Excel, PowerPoint, Word, Visio, Access, Outlook, etc.).

Alert Message

FILE-OFFICE Microsoft Office Excel SXDB memory corruption attempt

Rule Explanation

Microsoft Office Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, Open XML File Format Converter for Mac, and Office Excel Viewer 2003 SP3 do not properly parse the Excel file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Cache Memory Corruption Vulnerability." Impact: CVSS base score 9.3 CVSS impact score 10.0 CVSS exploitability score 8.6 confidentialityImpact COMPLETE integrityImpact COMPLETE availabilityImpact COMPLETE Details: Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives

Contributors

Talos research team. This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology. For more information see [nvd].

MITRE ATT&CK Framework

Tactic:

Technique:

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

CVE

Rule Vulnerability

CVE Additional Information

CVE-2009-3127
Microsoft Office Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, Open XML File Format Converter for Mac, and Office Excel Viewer 2003 SP3 do not properly parse the Excel file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Cache Memory Corruption Vulnerability."
Details
SeverityHIGH Base Score9.3
Impact Score10.0 Exploit Score8.6
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access Vector
AuthenticationNONE Ease of Access