Security Updates for Internet Explorer (August 2021)

medium Nessus Plugin ID 152432

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 a memory corruption error in the scripting engine. An unauthenticated, remote attacker can exploit this to execute arbitrary commands. (CVE-2021-34480)

Solution

Microsoft has released the following security updates to address this issue:
-KB5005036
-KB5005076
-KB5005088
-KB5005090
-KB5005099

See Also

https://support.microsoft.com/en-us/topic/5005036

https://support.microsoft.com/en-us/topic/5005076

https://support.microsoft.com/en-us/topic/5005088

https://support.microsoft.com/en-us/topic/5005090

https://support.microsoft.com/en-us/topic/5005099

Plugin Details

Severity: Medium

ID: 152432

File Name: smb_nt_ms21_aug_internet_explorer.nasl

Version: 1.6

Type: local

Agent: windows

Published: 8/10/2021

Updated: 12/29/2023

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

Risk Information

VPR

Risk Factor: High

Score: 8.2

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-34480

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:ie

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/10/2021

Vulnerability Publication Date: 8/10/2021

Reference Information

CVE: CVE-2021-34480

MSFT: MS21-5005036, MS21-5005076, MS21-5005088, MS21-5005090, MS21-5005099

MSKB: 5005036, 5005076, 5005088, 5005090, 5005099