CVE Vulnerabilities

CVE-2018-8435

Insufficient Entropy

Published: Sep 13, 2018 | Modified: Oct 03, 2019
CVSS 3.x
4.2
MEDIUM
Source:
NVD
CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
2.3 LOW
AV:A/AC:M/Au:S/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high-entropy source, aka Windows Hyper-V Security Feature Bypass Vulnerability. This affects Windows Server 2016, Windows 10, Windows 10 Servers.

Weakness

The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.

Affected Software

Name Vendor Start Version End Version
Windows_10 Microsoft - (including) - (including)
Windows_10 Microsoft 1607 (including) 1607 (including)
Windows_10 Microsoft 1703 (including) 1703 (including)
Windows_10 Microsoft 1709 (including) 1709 (including)
Windows_10 Microsoft 1803 (including) 1803 (including)
Windows_server_2016 Microsoft - (including) - (including)
Windows_server_2016 Microsoft 1709 (including) 1709 (including)
Windows_server_2016 Microsoft 1803 (including) 1803 (including)

Potential Mitigations

References