CVE-2020-0601: Microsoft Windows CryptoAPI Spoofing Vulnerability
In CISA’s Known Exploited Vulnerabilities catalog: Microsoft Windows CryptoAPI Spoofing Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
Description
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'.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Microsoft: WindowsMicrosoft: Windows 10 Version 1903 for 32-bit SystemsMicrosoft: Windows 10 Version 1903 for ARM64-based SystemsMicrosoft: Windows 10 Version 1903 for x64-based SystemsMicrosoft: Windows 10 Version 1909 for 32-bit SystemsMicrosoft: Windows 10 Version 1909 for ARM64-based SystemsMicrosoft: Windows 10 Version 1909 for x64-based SystemsMicrosoft: Windows ServerMicrosoft: Windows Server, version 1903 (Server Core installation)Microsoft: Windows Server, version 1909 (Server Core installation)
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-… (opens in new tab)
- packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-… (opens in new tab)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)