Spoofing attack in Windows Server and Windows - CVE-2022-34689
Published: October 11, 2022 / Updated: January 27, 2023
Vulnerability identifier: #VU68136
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2022-34689
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Microsoft
Affected software:
Windows Server
Windows
Windows Server
Windows
Detailed vulnerability description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in the Windows CryptoAPI. A remote attacker can manipulate an existing public x.509 certificate, spoof page content and and perform actions such as authentication or code signing as the targeted certificate.
How to mitigate CVE-2022-34689
Install updates from vendor's website.