CVE-2020-0601

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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'.

References

http://packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html

http://packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601

Details

Source: MITRE

Published: 2020-01-14

Updated: 2020-01-16

Type: CWE-295

Risk Information

CVSS v2

Base Score: 5.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

Impact Score: 4.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Impact Score: 5.2

Exploitability Score: 2.8

Severity: HIGH

Tenable Plugins

View all (7 total)

IDNameProductFamilySeverity
138175Microsoft Edge (Chromium) < 79.0.309.68 Multiple VulnerabilitiesNessusWindows
high
132865KB4534306: Windows 10 January 2020 Security UpdateNessusWindows : Microsoft Bulletins
critical
132862KB4534293: Windows 10 Version 1803 January 2020 Security UpdateNessusWindows : Microsoft Bulletins
critical
132860KB4534276: Windows 10 Version 1709 January 2020 Security UpdateNessusWindows : Microsoft Bulletins
critical
132859KB4534273: Windows 10 Version 1809 and Windows Server 2019 January 2020 Security UpdateNessusWindows : Microsoft Bulletins
critical
132858KB4534271: Windows 10 Version 1607 and Windows Server 2016 January 2020 Security UpdateNessusWindows : Microsoft Bulletins
critical
132857KB4528760: Windows 10 Version 1903 and Windows 10 Version 1909 January 2020 Security UpdateNessusWindows : Microsoft Bulletins
critical