Spoofing attack in Microsoft Windows CryptoAPI
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-0601 |
| CWE-ID | CWE-451 |
| Exploitation vector | Network |
| Public exploit | Vulnerability #1 is being exploited in the wild. |
| Vulnerable software |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 1 vulnerabilities.
UPDATED: 17.01.2020
Added information about in the wild exploitation of the vulnerability, updated CVSS score and references section.
1) Spoofing attack
EUVDB-ID: #VU24254
Risk: High
CVSSv4.0: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber]
CVE-ID: CVE-2020-0601
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 the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates. A remote attacker can use a spoofed code-signing certificate to sign a malicious executable, make it appear the file was from a trusted, legitimate source, trick a victim to open it and gain access to sensitive information.
Install updates from vendor's website.
Vulnerable software versionsWindows: 10 - 10 1909 10.0.18363.476
Windows Server: 2016 10.0.14393.10 - 2019 1909
CPE2.3- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1607:10.0.14393.10:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1709:10.0.16299.19:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1803:10.0.17134.48:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1809:10.0.17763.1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1903:10.0.18362.116:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1909:10.0.18363.476:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.10:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019:10.0.17763.1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019_1803:*:*:*:*:*:*:*
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601
https://www.virustotal.com/gui/file/d6ab910259c9bc68196aeec3e9ff4864bada22738c02ecf5ada7912ced292d28...
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?
Yes. This vulnerability is being exploited in the wild.
