Security Updates for Internet Explorer (November 2020)

high Nessus Plugin ID 142691

Synopsis

The Internet Explorer installation on the remote host is missing a security update.

Description

The Internet Explorer installation on the remote host is missing a security update. It is, therefore, affected by the following vulnerability :

- A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to 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-2020-17052)

Solution

Microsoft has released the following security updates to address this issue:
-KB4586827
-KB4586845
-KB4586768
-KB4586834

See Also

https://support.microsoft.com/en-us/help/4586827/windows-7-update

https://support.microsoft.com/en-us/help/4586845/windows-8-1-update

http://www.nessus.org/u?82b0555c

http://www.nessus.org/u?f87d3078

Plugin Details

Severity: High

ID: 142691

File Name: smb_nt_ms20_nov_internet_explorer.nasl

Version: 1.5

Type: local

Agent: windows

Published: 11/10/2020

Updated: 6/3/2021

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

Risk Information

CVSS Score Rationale: Score based on analysis of the vendor advisory.

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: manual

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: 11/10/2020

Vulnerability Publication Date: 11/10/2020

Reference Information

CVE: CVE-2020-17052

IAVA: 2020-A-0518-S, 2020-A-0521-S

MSFT: MS20-4586768, MS20-4586827, MS20-4586845

MSKB: 4586768, 4586827, 4586845