Vulnerability identifier: #VU77902

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20693

CWE-ID: CWE-477

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6739
Mobile applications / Mobile firmware & hardware
MT6895
Mobile applications / Mobile firmware & hardware
MT6983
Mobile applications / Mobile firmware & hardware
MT8167
Mobile applications / Mobile firmware & hardware
MT8168
Mobile applications / Mobile firmware & hardware
MT8195
Mobile applications / Mobile firmware & hardware
MT8321
Mobile applications / Mobile firmware & hardware
MT8365
Mobile applications / Mobile firmware & hardware
MT8385
Mobile applications / Mobile firmware & hardware
MT8666
Mobile applications / Mobile firmware & hardware
MT8765
Mobile applications / Mobile firmware & hardware
MT8781
Mobile applications / Mobile firmware & hardware
MT8788
Mobile applications / Mobile firmware & hardware

Vendor: MediaTek

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an uncaught exception within wlan. A local application can perform service disruption.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT6895: All versions

MT6983: All versions

MT8167: All versions

MT8168: All versions

MT8195: All versions

MT8321: All versions

MT8365: All versions

MT8385: All versions

MT8666: All versions

MT8765: All versions

MT8781: All versions

MT8788: All versions

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External links
http://corp.mediatek.com/product-security-bulletin/July-2023

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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.