Security Updates for Internet Explorer (April 2020)

high Nessus Plugin ID 135475

Synopsis

The Internet Explorer installation on the remote host is affected by multiple vulnerabilities.

Description

The Internet Explorer installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities :

- A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.
(CVE-2020-0968)

- A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2020-0895, CVE-2020-0966, CVE-2020-0967)

Solution

Microsoft has released the following security updates to address this issue:
-KB4550964
-KB4550905
-KB4550951
-KB4550961

See Also

http://www.nessus.org/u?7c90e16d

http://www.nessus.org/u?a5b344d1

http://www.nessus.org/u?e9a49f43

https://support.microsoft.com/en-us/help/4550961/windows-8-1-kb4550961

Plugin Details

Severity: High

ID: 135475

File Name: smb_nt_ms20_apr_internet_explorer.nasl

Version: 1.8

Type: local

Agent: windows

Published: 4/14/2020

Updated: 11/30/2021

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

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

CVSS Score Source: CVE-2020-0967

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

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

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/14/2020

Vulnerability Publication Date: 4/14/2020

CISA Known Exploited Vulnerability Due Dates: 5/3/2022

Reference Information

CVE: CVE-2020-0895, CVE-2020-0966, CVE-2020-0967, CVE-2020-0968

IAVA: 2020-A-0145-S

MSFT: MS20-4550905, MS20-4550951, MS20-4550961, MS20-4550964

MSKB: 4550905, 4550951, 4550961, 4550964