Spoofing attack in Microsoft Windows CryptoAPI
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-34689 |
| CWE-ID | CWE-451 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Windows Server Operating systems & Components / Operating system Windows Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Spoofing attack
EUVDB-ID: #VU68136
Risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2022-34689
CWE-ID:
CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)
Exploit availability: Yes
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows Server: 2003 - 2022 20H2
Windows: 7 - XP
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-34689
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
