Vulnerability identifier: #VU52041

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28685

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
GPU Tweak II
Client/Desktop applications / Other client software

Vendor: Asus

Description

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

The vulnerability exists due to application does not properly impose security restrictions in AsIO2_64.sys and AsIO2_32.sys. A local user can interact directly with physical memory via the "DeviceIoControl" and gain elevated privileges on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GPU Tweak II: 2.3.0.2

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External links
http://gist.github.com/DStraghkov/fba4994ac4bb3a6e2940b21743563df0
http://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/

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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.