#VU71966 Out-of-bounds read in MediaTek products - CVE-2023-20609

Vulnerability identifier: #VU71966

Vulnerability risk: Low

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

CVE-ID: CVE-2023-20609

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6833
MT8768
MT8786
MT8791
MT6853
MT6873
MT6877
MT6885
MT6893
MT8797

Software vendor:
MediaTek

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in ccu. A local user can trigger out-of-bounds read error and read contents of memory on the system.

Install updates from vendor's website.

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