Improper input validation in Windows and Windows Server - CVE-2018-8490
Published: October 9, 2018
Vulnerability identifier: #VU15253
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-8490
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows an adjacent attacker to compromise vulnerable host operating system.
The vulnerability exists in Windows Hyper-V on a host server due to improper validation of input from an authenticated user on a guest operating system. A remote attacker with access to guest operating system can run a specially crafted application and compromise the host system.
How to mitigate CVE-2018-8490
Install updates from vendor's website.