Improper input validation in Windows and Windows Server - CVE-2017-8664

 

Improper input validation in Windows and Windows Server - CVE-2017-8664

Published: August 8, 2017 / Updated: August 8, 2017


Vulnerability identifier: #VU7749
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-8664
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the host server.

The vulnerability exists due to an error within Windows Hyper-V when processing input from guest operating system. A local user with access to guest operating system can execute arbitrary code on the host server.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable Hyper-V host server.


How to mitigate CVE-2017-8664

Install updates from vendor's website.

Sources