#VU77011 Improper input validation in MediaTek products - CVE-2023-20727

Vulnerability identifier: #VU77011

Vulnerability risk: Low

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

CVE-ID: CVE-2023-20727

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6789
MT6835
MT6855
MT6879
MT6886
MT6895
MT6983
MT6985
MT8168
MT8365
MT8695
MT8766
MT8768
MT8781
MT8786
MT8789
MT8791T
MT8797

Software vendor:
MediaTek

The vulnerability allows a local privileged application to gain access to sensitive information.

The vulnerability exists due to a missing bounds check within wlan. A local privileged application can gain access to sensitive information.

Install security update from vendor's website.

• https://corp.mediatek.com/product-security-bulletin/June-2023