Incorrect default permissions in NVIDIA Windows GPU Display Driver

1) Incorrect default permissions

EUVDB-ID: #VU19993

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-5687

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape due to incorrect default permissions for an object exposes it to an unintended actor. A local authenticated user with access to the system can view contents of files and directories or modify them.

This vulnerability can lead to information disclosure or denial of service.

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.