Windows Speculative Execution Configuration Check

medium Nessus Plugin ID 132101
New! Plugin Severity Now Using CVSS v3

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

Synopsis

The remote host has not properly mitigated a series of speculative execution vulnerabilities.

Description

The remote host has not properly mitigated a series of known speculative execution vulnerabilities. It, therefore, may be affected by :
- Branch Target Injection (BTI) (CVE-2017-5715)
- Bounds Check Bypass (BCB) (CVE-2017-5753)
- Rogue Data Cache Load (RDCL) (CVE-2017-5754)
- Rogue System Register Read (RSRE) (CVE-2018-3640)
- Speculative Store Bypass (SSB) (CVE-2018-3639)
- L1 Terminal Fault (L1TF) (CVE-2018-3615, CVE-2018-3620, CVE-2018-3646)
- Microarchitectural Data Sampling Uncacheable Memory (MDSUM) (CVE-2019-11091)
- Microarchitectural Store Buffer Data Sampling (MSBDS) (CVE-2018-12126)
- Microarchitectural Load Port Data Sampling (MLPDS) (CVE-2018-12127)
- Microarchitectural Fill Buffer Data Sampling (MFBDS) (CVE-2018-12130)
- TSX Asynchronous Abort (TAA) (CVE-2019-11135)

Solution

Apply vendor recommended settings.

See Also

http://www.nessus.org/u?8902cebb

http://www.nessus.org/u?6a005ed4

Plugin Details

Severity: Medium

ID: 132101

File Name: microsoft_windows_spec_execution.nbin

Version: 1.15

Type: local

Agent: windows

Family: Windows

Published: 12/18/2019

Updated: 7/12/2021

Dependencies: smb_hotfixes.nasl, microsoft_windows_env_vars.nasl, smb_enum_services.nasl

Risk Information

CVSS Score Source: CVE-2018-3615

VPR

Risk Factor: High

Score: 8.5

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

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

Temporal Vector: E:H/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/Registry/Enumerated, Host/cpu/processor_identifier

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 1/4/2018

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2017-5715, CVE-2017-5753, CVE-2017-5754, CVE-2018-3615, CVE-2018-3620, CVE-2018-3639, CVE-2018-3646, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11135

BID: 102371, 102378, 104232, 105080, 108330