#VU65032 Heap-based buffer overflow in MediaTek products - CVE-2022-21768

Vulnerability identifier: #VU65032

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-21768

CWE-ID: CWE-122

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT8167S
Mobile applications / Mobile firmware & hardware
MT8175
Mobile applications / Mobile firmware & hardware
MT8183
Mobile applications / Mobile firmware & hardware
MT8362A
Mobile applications / Mobile firmware & hardware
MT8365
Mobile applications / Mobile firmware & hardware
MT8385
Mobile applications / Mobile firmware & hardware

Vendor: MediaTek

Description

The vulnerability allows an attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within Bluetooth implementation. A remote attacker with physical proximity to device can trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MT8167S: All versions

MT8175: All versions

MT8183: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

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

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.