CVE-2019-0731

Microsoft Windows 10 1809 - LUAFV Delayed Virtualization Cross Process Handle Duplication Privilege Escalation

Severity Score

7.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An elevation of privilege vulnerability exists when Windows improperly handles calls to the LUAFV driver (luafv.sys), aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0730, CVE-2019-0796, CVE-2019-0805, CVE-2019-0836, CVE-2019-0841.

Existe una vulnerabilidad de elevación de privilegios en Windows, debido a que maneja incorrectamente las llamadas al controlador LUAFV (luafv.sys), también conocido como 'vulnerabilidad de elevación de privilegio de Windows'. Este CVE ID es único de CVE-2019-0730, CVE-2019-0796, CVE-2019-0805, CVE-2019-0836, CVE-2019-0841.

On Microsoft Windows, the LUAFV driver doesn't take into account a virtualized handle being duplicated to a more privileged process resulting in elevation of privilege.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-11-26 CVE Reserved
2019-04-09 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-08-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-264: Permissions, Privileges, and Access Controls

CAPEC

References (3)

URL	Tag	Source
http://packetstormsecurity.com/files/152534/Microsoft-Windows-LUAFV-Delayed-Virtualization-Cross-Process-Handle-Duplication-Privilege-Escalation.html	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/46714	2024-08-04

URL	Date	SRC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0731	2019-05-08

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Windows 10 Search vendor "Microsoft" for product "Windows 10"				-		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Search vendor "Microsoft" for product "Windows 10"				1607 Search vendor "Microsoft" for product "Windows 10" and version "1607"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Search vendor "Microsoft" for product "Windows 10"				1703 Search vendor "Microsoft" for product "Windows 10" and version "1703"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Search vendor "Microsoft" for product "Windows 10"				1709 Search vendor "Microsoft" for product "Windows 10" and version "1709"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Search vendor "Microsoft" for product "Windows 10"				1803 Search vendor "Microsoft" for product "Windows 10" and version "1803"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Search vendor "Microsoft" for product "Windows 10"				1809 Search vendor "Microsoft" for product "Windows 10" and version "1809"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 7 Search vendor "Microsoft" for product "Windows 7"				-		sp1		Affected
Microsoft Search vendor "Microsoft"		Windows 8.1 Search vendor "Microsoft" for product "Windows 8.1"				-		pro_n		Affected
Microsoft Search vendor "Microsoft"		Windows Rt 8.1 Search vendor "Microsoft" for product "Windows Rt 8.1"				-		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				-		sp2		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2"		sp1, itanium		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2"		sp1, x64		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012"				-		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012"				r2 Search vendor "Microsoft" for product "Windows Server 2012" and version "r2"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016"				-		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016"				1709 Search vendor "Microsoft" for product "Windows Server 2016" and version "1709"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016"				1803 Search vendor "Microsoft" for product "Windows Server 2016" and version "1803"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019"				-		-		Affected