Out-of-bounds write in MediaTek products - CVE-2023-20602

Vulnerability identifier: #VU71821

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-20602

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in ged. A local user can trigger out-of-bounds write and execute arbitrary code on the target system with elevated privileges.

MT6785
MT6893
MT6889
MT6885
MT6877
MT6873
MT6853
MT6781
MT6779
MT6983
MT6895
MT6879
MT6855
MT6833
MT6735
MT6771
MT6768
MT6765
MT6763
MT6761
MT6757
MT6753
MT6739
MT6737
Google Android

Install updates from vendor's website.

Google Android - addressed in versions 10 2023-02-05, 11 2023-02-05, 12L 2023-02-05, 12 2023-02-05, 13 2023-02-05

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

• Multiple vulnerabilities in MediaTek Chipsets
• Multiple vulnerabilities in Google Android