Microsoft Windows MPEG-2 Video Extension RCE (September 2021)

high Nessus Plugin ID 153382

Synopsis

The Windows app installed on the remote host is affected by a remote code execution vulnerability.

Description

The Windows 'MPEG-2 Video Extension' app installed on the remote host is affected by a remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to app version 1.0.42152 or later via the Microsoft Store.

See Also

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38644

Plugin Details

Severity: High

ID: 153382

File Name: smb_nt_ms21_sep_mpeg2.nasl

Version: 1.4

Type: local

Agent: windows

Published: 9/14/2021

Updated: 1/26/2022

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2021-38644

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/Registry/Enumerated, WMI/Windows App Store/Enumerated

Exploit Ease: No known exploits are available

Patch Publication Date: 9/14/2021

Vulnerability Publication Date: 9/14/2021

Reference Information

CVE: CVE-2021-38644

IAVA: 2021-A-0431-S, 2021-A-0429-S