CVE-2018-8435 - A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a h

CVE-2018-8435

Summary

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.

References

Vulnerable Configurations

cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*

CVSS

Base:	2.3 (as of 03-10-2019 - 00:03)
Impact:
Exploitability:

CWE

CWE-331

CAPEC

Session Credential Falsification through Prediction
This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.

Access

Vector	Complexity	Authentication
ADJACENT_NETWORK	MEDIUM	SINGLE

Impact

Confidentiality	Integrity	Availability
NONE	PARTIAL	NONE

cvss-vector via4

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

refmap via4

bid	105240
confirm	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8435
sectrack	1041624

Last major update

03-10-2019 - 00:03

Published

13-09-2018 - 00:29

Last modified

03-10-2019 - 00:03