#VU82808 NULL Pointer Dereference in MediaTek products - CVE-2023-20702

Vulnerability identifier: #VU82808

Vulnerability risk: Low

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

CVE-ID: CVE-2023-20702

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6835
MT6879
MT6886
MT6895
MT6980
MT6983
MT6985
MT6990
MT8673
MT8675
MT8791
MT8791T
MT8798
MT6873
MT6875
MT6883
MT6885
MT6889
MT8797

Software vendor:
MediaTek

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to lack of error handling within 5G RLC. A local application can perform service disruption.

Install security update from vendor's website.

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