#VU73089 Improper Input Validation in MediaTek products - CVE-2022-21751

Published: 2023-03-07

Vulnerability identifier: #VU73089

Vulnerability risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-21751

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vendor: MediaTek

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within WLAN driver. A local privileged application can execute arbitrary code.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT6771: All versions

MT8167S: All versions

MT8168: All versions

MT8175: All versions

MT8183: All versions

MT8185: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

MT8667: All versions

MT8675: All versions

MT8766: All versions

MT8768: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8797: All versions

External links
https://corp.mediatek.com/product-security-bulletin/June-2022

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.