Buffer overflow in Microsoft products - CVE-2017-8509

 

Buffer overflow in Microsoft products - CVE-2017-8509

Published: May 16, 2019


Vulnerability identifier: #VU18503
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-8509
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing Microsoft Office files. A remote attacker can create a specially crafted Office document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Microsoft Office Compatibility Pack
Microsoft Office
Microsoft Word
Microsoft Office Web Apps
Microsoft Word for macOS
Word Automation Services on Microsoft SharePoint Server
Office Online Server
Microsoft SharePoint Server
Microsoft Office Web Apps Server

How to mitigate CVE-2017-8509

Install update from vendor's website.


External References

Related Security Bulletins