Input validation error in Windows and Windows Server - CVE-2022-44682
Published: December 13, 2022 / Updated: January 1, 2023
Vulnerability identifier: #VU70179
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-44682
CWE-ID: CWE-20
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 perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the Windows Hyper-V when handling DHCP packets. A remote attacker on the local network can send a DHCP request containing the DHCP message type DHCP_MESSAGE_DECLINE with an invalid DHCP_OPTION_REQUESTEDIPADDR embedded in the same DHCP request.
Remediation
Install updates from vendor's website.