#VU55042 Link following in NVIDIA Windows GPU Display Driver and NVIDIA vGPU Software - CVE-2021-1092

Vulnerability identifier: #VU55042

Vulnerability risk: Low

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

CVE-ID: CVE-2021-1092

CWE-ID: CWE-59

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
NVIDIA Windows GPU Display Driver
Client/Desktop applications / Virtualization software
NVIDIA vGPU Software
Client/Desktop applications / Other client software

Vendor: nVidia

Description

The vulnerability allows a local user to overwrite arbitrary files on the system.

The vulnerability exists due to a symbolic link following in the NVIDIA Control Panel application. A local user can create a symbolic link to a critical file on the system and overwrite it, causing a denial of service condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

NVIDIA Windows GPU Display Driver: before 392.67

NVIDIA vGPU Software: before 8.8

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External links
https://nvidia.custhelp.com/app/answers/detail/a_id/5211

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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.