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 Word invalid sprmTDefTable length stack buffer overflow attempt

Rule Explanation

Stack-based buffer overflow in Microsoft Office Word 2000 SP3, 2002 SP3, 2003 SP3, and 2007 Gold and SP1; Word Viewer 2003 Gold and SP3; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Gold and SP1; and Microsoft Works 8 allow remote attackers to execute arbitrary code via a crafted Word document that contains a malformed table property, which triggers memory corruption, aka "Word Memory Corruption Vulnerability." Impact: Attempted User Privilege Gain Details: Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

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-2008-4837
Stack-based buffer overflow in Microsoft Office Word 2000 SP3, 2002 SP3, 2003 SP3, and 2007 Gold and SP1; Word Viewer 2003 Gold and SP3; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Gold and SP1; and Microsoft Works 8 allow remote attackers to execute arbitrary code via a crafted Word document that contains a malformed table property, which triggers memory corruption, aka "Word 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