CVE-2020-0601
8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Summary
A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source, aka 'Windows CryptoAPI Spoofing Vulnerability'.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows | 10 Version 1803 for 32-bit Systems | affected |
| Microsoft | Windows | 10 Version 1803 for x64-based Systems | affected |
| Microsoft | Windows | 10 Version 1803 for ARM64-based Systems | affected |
| Microsoft | Windows | 10 Version 1809 for 32-bit Systems | affected |
| Microsoft | Windows | 10 Version 1809 for x64-based Systems | affected |
| Microsoft | Windows | 10 Version 1809 for ARM64-based Systems | affected |
| Microsoft | Windows | 10 Version 1709 for 32-bit Systems | affected |
| Microsoft | Windows | 10 Version 1709 for x64-based Systems | affected |
| Microsoft | Windows | 10 Version 1709 for ARM64-based Systems | affected |
| Microsoft | Windows | 10 for 32-bit Systems | affected |
| Microsoft | Windows | 10 for x64-based Systems | affected |
| Microsoft | Windows | 10 Version 1607 for 32-bit Systems | affected |
| Microsoft | Windows | 10 Version 1607 for x64-based Systems | affected |
| Microsoft | Windows Server | version 1803 (Core Installation) | affected |
| Microsoft | Windows Server | 2019 | affected |
| Microsoft | Windows Server | 2019 (Core installation) | affected |
| Microsoft | Windows Server | 2016 | affected |
| Microsoft | Windows Server | 2016 (Core installation) | affected |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | unspecified | affected |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | unspecified | affected |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | unspecified | affected |
| Microsoft | Windows Server, version 1903 (Server Core installation) | unspecified | affected |
| Microsoft | Windows 10 Version 1909 for 32-bit Systems | unspecified | affected |
| Microsoft | Windows 10 Version 1909 for x64-based Systems | unspecified | affected |
| Microsoft | Windows Server, version 1909 (Server Core installation) | unspecified | affected |
| Microsoft | Windows 10 Version 1909 for ARM64-based Systems | unspecified | affected |
Weaknesses
- Spoofing
ADP Enrichment
CVE Program Container
Additional References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601
- http://packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html
- http://packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html
CISA ADP Vulnrichment
- SSVC:
- Exploitation: active
- Automatable: no
- Technical Impact: total
Additional References
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601
- http://packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html
- http://packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html
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