#VU79111 Improper input validation in MediaTek products - CVE-2023-20818

Vulnerability identifier: #VU79111

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-2023-20818

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6580
MT6739
MT6761
MT6765
MT6768
MT6833
MT6855
MT6879
MT6886
MT6895
MT6983
MT6985
MT6779
MT6781
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893

Software vendor:
MediaTek

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

The vulnerability exists due to improper input validation within wlan service. A local privileged application can gain access to sensitive information.

Install security update from vendor's website.

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