KB4549951: Windows 10 Version 1903 and Windows 10 Version 1909 April 2020 Security Update

high Nessus Plugin ID 135464

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Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 4549951.
It is, therefore, affected by multiple vulnerabilities :

- An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode.
An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-0985, CVE-2020-0996)

- An elevation of privilege vulnerability exists when a Windows scheduled task improperly handles file redirections. An attacker who successfully exploited this vulnerability could delete a targeted file they would not have permissions to. (CVE-2020-0936)

- An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2020-0821, CVE-2020-1007)

- An elevation of privilege vulnerability exists when the Windows WpcDesktopMonSvc improperly manages memory.
(CVE-2020-0934)

- 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)

- An information disclosure vulnerability exists when the win32k component improperly provides kernel information.
An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2020-0699, CVE-2020-0962)

- A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2020-0889, CVE-2020-0953, CVE-2020-0959, CVE-2020-0960, CVE-2020-0988, CVE-2020-0992, CVE-2020-0994, CVE-2020-0995, CVE-2020-0999, CVE-2020-1008)

- A remoted code execution vulnerability exists in the way that Microsoft Windows Codecs Library handles objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code. Exploitation of the vulnerability requires that a program process a specially crafted image file. The update addresses the vulnerability by correcting how Microsoft Windows Codecs Library handles objects in memory. (CVE-2020-0965)

- An elevation of privilege vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The security update addresses the vulnerability by correcting how the Connected User Experiences and Telemetry Service handles file operations. (CVE-2020-0944, CVE-2020-1029)

- An elevation of privilege vulnerability exists in the way that the Microsoft Store Install Service handles file operations in protected locations. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. (CVE-2020-1009)

- A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles a specially-crafted multi- master font - Adobe Type 1 PostScript format. For all systems except Windows 10, an attacker who successfully exploited the vulnerability could execute code remotely.
For systems running Windows 10, an attacker who successfully exploited the vulnerability could execute code in an AppContainer sandbox context with limited privileges and capabilities. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. There are multiple ways an attacker could exploit the vulnerability, such as convincing a user to open a specially crafted document or viewing it in the Windows Preview pane. The update addresses the vulnerability by correcting how the Windows Adobe Type Manager Library handles Type1 fonts. (CVE-2020-0938, CVE-2020-1020)

- A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory.
An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit a malicious webpage. The security update addresses the vulnerability by correcting how Windows Media Foundation handles objects in memory. (CVE-2020-0948, CVE-2020-0949, CVE-2020-0950)

- An information disclosure vulnerability exists when Media Foundation improperly handles objects in memory.
An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2020-0937, CVE-2020-0939, CVE-2020-0945, CVE-2020-0946, CVE-2020-0947)

- A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. (CVE-2020-0910)

- An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory.
An attacker who successfully exploited the vulnerability could execute code with elevated permissions.
(CVE-2020-1027)

- A security feature bypass vulnerability exists when Windows fails to properly handle token relationships. An attacker who successfully exploited the vulnerability could allow an application with a certain integrity level to execute code at a different integrity level, leading to a sandbox escape. The update addresses the vulnerability by correcting how Windows handles token relationships (CVE-2020-0981)

- An elevation of privilege vulnerability exists when the Windows Work Folder Service improperly handles file operations. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The update addresses the vulnerability by correcting the way the Windows Work Folder Service handles file operations. (CVE-2020-1094)

- An information disclosure vulnerability exists when certain central processing units (CPU) speculatively access memory. An attacker who successfully exploited the vulnerability could read privileged data across trust boundaries. (CVE-2020-0955)

- An elevation of privilege vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations. An attacker who successfully exploited this vulnerability could overwrite files in arbitrary locations with elevated permissions. (CVE-2020-0942)

- A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts. An attacker who successfully exploited the vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-0687)

- An elevation of privilege vulnerability exists in the Microsoft Windows Update Client when it does not properly handle privileges. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install programs; view, change or delete data. (CVE-2020-1014)

- A denial of service vulnerability exists when Windows improperly handles objects in memory. An attacker who successfully exploited the vulnerability could cause a target system to stop responding. (CVE-2020-0794)

- A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code on a target system. (CVE-2020-0907)

- An elevation of privilege vulnerability exists when the Windows Graphics Component improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. (CVE-2020-1004)

- An elevation of privilege vulnerability exists in the way that the User-Mode Power Service (UMPS) handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. (CVE-2020-1015)

- An elevation of privilege vulnerability exists when the Windows Delivery Optimization service improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
(CVE-2020-0983)

- An elevation of privilege vulnerability exists in the way the Windows Push Notification Service handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install programs; view, change or delete data. (CVE-2020-0940, CVE-2020-1001, CVE-2020-1006, CVE-2020-1017)

- An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
(CVE-2020-0956, CVE-2020-0958)

- An information disclosure vulnerability exists when the Microsoft Windows Graphics Component improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2020-0982, CVE-2020-0987, CVE-2020-1005)

- An information disclosure vulnerability exists when the Windows Push Notification Service improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows Push Notification Service handles objects in memory.
(CVE-2020-1016)

- 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)

- An elevation of privilege vulnerability exists when Windows Hyper-V on a host server fails to properly handle objects in memory. An attacker who successfully exploited these vulnerabilities could gain elevated privileges on a target operating system. This vulnerability by itself does not allow arbitrary code to be run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (e.g. a remote code execution vulnerability and another elevation of privilege) that could take advantage of the elevated privileges when running. The update addresses the vulnerabilities by correcting how Windows Hyper-V handles objects in memory. (CVE-2020-0917, CVE-2020-0918)

- An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.
The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2020-0952)

- An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode.
An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-0913, CVE-2020-1000, CVE-2020-1003)

- An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
(CVE-2020-0784, CVE-2020-0888)

- A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-0964)

- A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive.
(CVE-2020-0993)

- An elevation of privilege vulnerability exists when the Windows System Assessment Tool improperly handles file operations. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The update addresses the vulnerability by correcting the way the Windows System Assessment Tool handles file operations. (CVE-2020-1011)

- A remote code execution vulnerability exists in the way that the ChakraCore scripting 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. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-0969, CVE-2020-0970)

Solution

Apply Cumulative Update KB4549951.

Plugin Details

Severity: High

ID: 135464

File Name: smb_nt_ms20_apr_4549951.nasl

Version: 1.13

Type: local

Agent: windows

Family: Windows : Microsoft Bulletins

Published: 4/14/2020

Updated: 6/17/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

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-2020-1008

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

CVSS Score Source: CVE-2020-1020

Vulnerability Information

CPE: cpe:/o:microsoft:windows_10_1903, cpe:/o:microsoft:windows_10_1909

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, 6/13/2022

Reference Information

CVE: CVE-2020-0687, CVE-2020-0699, CVE-2020-0784, CVE-2020-0794, CVE-2020-0821, CVE-2020-0888, CVE-2020-0889, CVE-2020-0895, CVE-2020-0907, CVE-2020-0910, CVE-2020-0913, CVE-2020-0917, CVE-2020-0918, CVE-2020-0934, CVE-2020-0936, CVE-2020-0937, CVE-2020-0938, CVE-2020-0939, CVE-2020-0940, CVE-2020-0942, CVE-2020-0944, CVE-2020-0945, CVE-2020-0946, CVE-2020-0947, CVE-2020-0948, CVE-2020-0949, CVE-2020-0950, CVE-2020-0952, CVE-2020-0953, CVE-2020-0955, CVE-2020-0956, CVE-2020-0958, CVE-2020-0959, CVE-2020-0960, CVE-2020-0962, CVE-2020-0964, CVE-2020-0965, CVE-2020-0966, CVE-2020-0967, CVE-2020-0968, CVE-2020-0969, CVE-2020-0970, CVE-2020-0981, CVE-2020-0982, CVE-2020-0983, CVE-2020-0985, CVE-2020-0987, CVE-2020-0988, CVE-2020-0992, CVE-2020-0993, CVE-2020-0994, CVE-2020-0995, CVE-2020-0996, CVE-2020-0999, CVE-2020-1000, CVE-2020-1001, CVE-2020-1003, CVE-2020-1004, CVE-2020-1005, CVE-2020-1006, CVE-2020-1007, CVE-2020-1008, CVE-2020-1009, CVE-2020-1011, CVE-2020-1014, CVE-2020-1015, CVE-2020-1016, CVE-2020-1017, CVE-2020-1020, CVE-2020-1027, CVE-2020-1029, CVE-2020-1094

IAVA: 2020-A-0156-S

MSFT: MS20-4549951

MSKB: 4549951

Detections

Analytics