Windows Malicious Software Removal Tool Elevation of Privilege Vulnerability

high Nessus Plugin ID 135901

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Synopsis

The remote Windows host has an antimalware application that is affected by a privilege escalation vulnerability.

Description

An elevation of privilege vulnerability exists when the Windows Malicious Software Removal Tool (MSRT) improperly handles junctions.
To exploit this vulnerability, an attacker would first have to gain execution on the victim system.
An attacker could then run a specially crafted application to elevate privileges'.

Solution

Upgrade to the relevant fixed version referenced in the advisory.

Plugin Details

Severity: High

ID: 135901

File Name: smb_kb4484254.nasl

Version: 1.7

Type: local

Agent: windows

Family: Windows

Published: 4/22/2020

Updated: 12/6/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-0733

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows, cpe:/a:microsoft:malware_protection_engine

Required KB Items: SMB/MRT/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 2/11/2020

Vulnerability Publication Date: 2/11/2020

Reference Information

CVE: CVE-2020-0733

MSKB: 891716

Detections

Analytics