Think you have a false positive on this rule?

Sid 1-45879

Message

FILE-OFFICE Microsoft Office RTF listoverride memory corruption attempt

Summary

This event is generated when an attacker attempts to exploit a memory corruption vulnerability in Microsoft Office

Impact

Attempted User Privilege Gain

CVE-2018-0922:

CVSS base score

CVSS impact score

CVSS exploitability score

Confidentiality Impact

Integrity Impact

Availability Impact

Detailed information

Rule checks for an attempt to exploit a memory corruption vulnerability in Microsoft office versions prior to 2016 that is triggered with a maliciously-crafted RTF file. CVE-2018-0922: Microsoft Office 2010 SP2, 2013 SP1, and 2016, Microsoft Office 2016 Click-to-Run Microsoft Office 2016 for Mac, Microsoft Office Compatibility Pack SP2, Microsoft Office Web Apps 2010 SP2, Microsoft Office Web Apps 2013 SP1, Microsoft Office Word Viewer, Microsoft SharePoint Enterprise Server 2013 SP1, Microsoft SharePoint Enterprise Server 2016, Microsoft Office Compatibility Pack SP2, Microsoft Online Server 2016, Microsoft SharePoint Server 2010 SP2, Microsoft Word 2007 SP3, Microsoft Word 2010 SP2, Word 2013 and Microsoft Word 2016 allow a remote code execution vulnerability due to how objects are handled in memory, aka "Microsoft Office Memory Corruption Vulnerability".

Affected systems

Ease of attack

Hard

False positives

Not known

False negatives

Not known

Corrective action

Implement patches for all affected products seen here: portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0922

Contributors

  • Cisco's Talos Intelligence Group

Additional References

  • portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0922