PT-2018-1112 · Dokanfs+2 · Dokanfs+4

Published 2018-02-20 · Updated 2019-10-03 · CVE-2018-6947

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions NoMachine versions 6.0.66 2 and earlier

Description The issue is related to an uninitialised stack variable in the nxfuse component of the Open Source DokanFS library. This can allow a local low-privileged user to gain elevation of privileges on Windows 7 (both 32 and 64-bit) and cause a denial of service on Windows 8 and 10. The vulnerability is also associated with inadequate access control in the nxfuse component of the DokanFS library in the NoMachine remote desktop access system.

Recommendations For NoMachine versions 6.0.66 2 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Initialization

Weakness Enumeration

CWE-665

CWE-264

Related Identifiers

BDU:2018-00524

CVE-2018-6947

Affected Products

Dokanfs

Nomachine

Windows 10

Windows 7

Windows 8

References · 9

• 🔥 https://exploit-db.com/exploits/44167 · Exploit
• 🔥 https://exploit-db.com/exploits/44168 · Exploit
• https://nomachine.com/TR02P08408 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-6947 · Security Note
• https://nomachine.com/SU02P00194 · Vendor Advisory
• https://nomachine.com/SU02P00195 · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-00524 · Security Note
• https://osv.dev/vulnerability/CVE-2018-6947 · Vendor Advisory
• https://fidusinfosec.com/nomachine-road-code-execution-without-fuzzing-cve-2018-6947 · Note