Buffer overflow in Microsoft Excel - CVE-2017-11884

 

Buffer overflow in Microsoft Excel - CVE-2017-11884

Published: November 14, 2017 / Updated: July 15, 2020


Vulnerability identifier: #VU9292
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2017-11884
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Excel

Detailed vulnerability description

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

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

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


How to mitigate CVE-2017-11884

Install updates from vendor's website. The update is specific to Microsoft Office 2016 Click-to-Run (C2R) version. 

Sources