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 RTF object use after free attempt

Rule Explanation

Use-after-free vulnerability in Microsoft Office 2010 SP2, Office 2013 Gold and SP1, Office 2013 RT Gold and SP1, Office for Mac 2011, Word Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 Gold and SP1, and Office Web Apps 2010 SP2 and 2013 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Use After Free Word Remote Code Execution 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

Additional Links

CVE Additional Information

CVE-2014-6357
Use-after-free vulnerability in Microsoft Office 2010 SP2, Office 2013 Gold and SP1, Office 2013 RT Gold and SP1, Office for Mac 2011, Word Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 Gold and SP1, and Office Web Apps 2010 SP2 and 2013 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Use After Free Word Remote Code Execution Vulnerability."
Details
SeverityHIGH Base Score9.3
Impact Score10.0 Exploit Score8.6
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access Vector
AuthenticationNONE Ease of Access