#VU7612 Privilege escalation in nVidia products - CVE-2017-6254

Vulnerability identifier: #VU7612

Vulnerability risk: Low

CVSSv4.0: 7.1 [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:P/U:Clear]

CVE-ID: CVE-2017-6254

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
NVIDIA Windows GPU Display Driver
Client/Desktop applications / Virtualization software
NVS
Client/Desktop applications / Multimedia software
Tesla
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: nVidia

Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape due to improper validation of the pointer passed from a user to the driver. A local attacker can cause the system to crash or execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update GeForce to version 384.94.
Update Quadro, NVS and Tesla to version 377.55, 385.08.

Vulnerable software versions

NVIDIA Windows GPU Display Driver: 304 - 375.63

NVS: 304 - 375.63

Tesla: 361.93 - 367.55

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External links
https://nvidia.custhelp.com/app/answers/detail/a_id/4525

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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, proof of concept for this vulnerability is available.