KB4020535: Security Update for the Scripting Engine Memory Corruption Vulnerability (May 2017)

high Nessus Plugin ID 104045

Synopsis

The remote Windows host is affected by a remote code execution vulnerability.

Description

The remote Windows host is missing security update KB4020535. It is, therefore, affected by a flaw in the VBScript engine due to improper handling of objects in memory. An unauthenticated, remote attacker can exploit this, by convincing a user to visit a malicious website or open a specially crafted document file, to execute arbitrary code.

Solution

Apply security update KB4020535.

See Also

https://support.microsoft.com/en-us/help/4020535/title/

http://www.nessus.org/u?16f2aac4

Plugin Details

Severity: High

ID: 104045

File Name: smb_nt_ms17_may_4020535.nasl

Version: 1.7

Type: local

Agent: windows

Published: 10/20/2017

Updated: 11/12/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2017-0158

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 5/9/2017

Vulnerability Publication Date: 4/11/2017

Reference Information

CVE: CVE-2017-0158

BID: 97455

MSFT: MS17-4020535

MSKB: 4020535