#VU21644 Out-of-bounds read in Windows and Windows Server - CVE-2019-1230
Published: October 8, 2019
Vulnerability identifier: #VU21644
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-1230
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system. A remote authenticated user on a guest operating system can run a specially crafted application that could cause the Hyper-V host operating system to disclose memory information.
Remediation
Install updates from vendor's website.