Windows Hard Link in NVIDIA Windows GPU Display Driver

Published: 2019-08-06 | Updated: 2019-08-08

Risk	Low
Patch available	NO
Number of vulnerabilities	1
CVE-ID	CVE-2019-5683
CWE-ID	CWE-65
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	NVIDIA Windows GPU Display Driver Client/Desktop applications / Virtualization software
Vendor	nVidia

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Windows Hard Link

EUVDB-ID: #VU19991

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-5683

CWE-ID: CWE-65 - Windows hard link

Exploit availability: No

Description

The vulnerability allows a local attacker to cause the software to operate on unauthorized files.

The vulnerability exists due to the usage of hard link in the user mode video driver trace logger component. A local authenticated attacker with the access to the system can create a hard link, the software does not check for hard link attacks.

This behavior may lead to code execution, denial of service, or escalation of privileges.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

NVIDIA Windows GPU Display Driver: All versions

CPE2.3

cpe:2.3:a:nvidia:nvidia_windows_gpu_display_driver:*:*:*:*:*:*:*:*

External links

https://nvidia.custhelp.com/app/answers/detail/a_id/4841

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.