Out-of-bounds write in MediaTek products - CVE-2022-32594

Vulnerability identifier: #VU69881

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-2022-32594

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error when processing untrusted input in widevine. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

MT6883
MT8797
MT6893
MT6891
MT6889
MT6885
MT6877
MT6875
MT6873
MT6853T
MT6853
MT6785
MT6781
MT6779
MT8791
MT8789
MT8788
MT8786
MT8781
MT8768
MT8766
MT8765
MT8385
MT6895
MT6762
MT6879
MT6855
MT6833
MT6789
MT6769
MT6768
MT6765
Google Android

Install updates from vendor's website.

Google Android - addressed in versions 10 2022-12-05, 11 2022-12-05, 12L 2022-12-05, 12 2022-12-05, 13 2022-12-05

• https://corp.mediatek.com/product-security-bulletin/December-2022

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