CVE-2018-6947

NoMachine < 6.0.80 (x86) - 'nxfuse' 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 uninitialised stack variable in the nxfuse component that is part of the Open Source DokanFS library shipped with NoMachine 6.0.66_2 and earlier allows a local low privileged user to gain elevation of privileges on Windows 7 (32 and 64bit), and denial of service for Windows 8 and 10.

Una variable de pila no inicializada en el componente nxfuse de la biblioteca Open Source DokanFS incluida en NoMachine, en versiones 6.0.66_2 y anteriores, permite que un usuario local con pocos privilegios eleve sus privilegios en Windows 7 (32 y 64 bits) y que provoque una denegación de servicio (DoS) en Windows 8 y 10.

NoMachine versions prior to 6.0.80 (x64) suffer from an nxfuse privilege escalation vulnerability.

*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

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-02-13 CVE Reserved
2018-02-23 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-08-24 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-665: Improper Initialization

CAPEC

References (6)

URL	Tag	Source
https://www.fidusinfosec.com/nomachine-road-code-execution-without-fuzzing-cve-2018-6947	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/44167	2024-08-05
https://www.exploit-db.com/exploits/44168	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://www.nomachine.com/SU02P00194	2019-10-03
https://www.nomachine.com/SU02P00195	2019-10-03
https://www.nomachine.com/TR02P08408	2019-10-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nomachine Search vendor "Nomachine"		Nomachine Search vendor "Nomachine" for product "Nomachine"				<= 6.0.66_2 Search vendor "Nomachine" for product "Nomachine" and version " <= 6.0.66_2"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Search vendor "Microsoft" for product "Windows 10"				*		-		Affected
Microsoft Search vendor "Microsoft"		Windows 7 Search vendor "Microsoft" for product "Windows 7"				*		-		Affected
Microsoft Search vendor "Microsoft"		Windows 8 Search vendor "Microsoft" for product "Windows 8"				*		-		Affected