Input validation error in NVIDIA Windows GPU Display Driver

1) Input validation error

EUVDB-ID: #VU19992

Risk: Low

CVSSv3.1: 5.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-5686

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the kernel mode layer (nvlddmkm.sys) for DxgkDdiEscape when the software uses an API function or data structure with no guarantee, that properties are valid. A local authenticated attacker can perform a denial of service attack on the target system.

Mitigation

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

Vulnerable software versions

NVIDIA Windows GPU Display Driver: All versions

External links

http://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.