Out-of-bounds write in MediaTek products - CVE-2024-20140

Vulnerability identifier: #VU102341

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-2024-20140

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within power. A local application can execute arbitrary code.

MT6739
MT6761
MT6768
MT6833
MT8532
Samsung Mobile Firmware
MT6781
MT6853
MT6877
MT6885
MT6893
MT8518S
Google Android

Install security update from vendor's website.

Samsung Mobile Firmware - update to SMR-FEB-2025
Google Android - addressed in versions 12L 2025-01-05, 12 2025-01-05, 13 2025-01-05, 14 2025-01-05, 15 2025-01-05

• https://corp.mediatek.com/product-security-bulletin/January-2025

• Multiple vulnerabilities in MediaTek chipsets
• Multiple vulnerabilities in Google Android
• Multiple vulnerabilities in Samsung Mobile Firmware (February 2025)