Vulnerability identifier: #VU720

Vulnerability risk: Medium

CVSSv3.1: 8.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2016-4960

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Quandro
Client/Desktop applications / Multimedia software
NVS
Client/Desktop applications / Multimedia software
NVIDIA Windows GPU Display Driver
Client/Desktop applications / Virtualization software

Vendor: nVidia

Description
The vulnerability allows a local authenticated user to obtain elevated privileges.

The vulnerability exists due to improper input validation in NVIDIA NVStreamKMS.sys service component. By implying specially crafted data a local user can bypass security limitations and obtain elevated privileges on the system.

Successful exploitation of this vulnerability will allow the local attacker to obtain elevated privileges on vulnerable system and compromise the system completely.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Quandro: 340 - 367

NVIDIA Windows GPU Display Driver: 340 - 367

NVS: 340 - 367

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External links
http://nvidia.custhelp.com/app/answers/detail/a_id/4213/~/security-bulletin%25

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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.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.