Out-of-bounds write in MediaTek products - CVE-2023-32873

Vulnerability identifier: #VU89136

CSH Severity: Low

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-32873

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local privileged application to execute arbitrary code.

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

MT8765
MT8796
MT8795T
MT8792
MT8791T
MT8789
MT8788
MT8786
MT8781
MT8771
MT8768
MT8766
MT6761
MT8755
MT8385
MT8321
MT6983
MT6895
MT6855
MT6833
MT6768
MT6765
MT6893
MT6853
Google Android

Install security update from vendor's website.

Google Android - addressed in versions 12L 2024-05-05, 12 2024-05-05, 13 2024-05-05, 14 2024-05-05

• https://corp.mediatek.com/product-security-bulletin/May-2024

• Multiple vulnerabilities in MediaTek chipsets
• Multiple vulnerabilities in Google Android