#VU70633 Out-of-bounds read in MediaTek products - CVE-2022-32639

Vulnerability identifier: #VU70633

Vulnerability risk: Low

CVSSv4.0: 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/E:U/U:Clear

CVE-ID: CVE-2022-32639

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6739
MT6768
MT6771
MT6833
MT8167
MT8167S
MT8362A
MT8385
MT8532
MT8765
MT8786
MT8791
MT6781
MT6785
MT6853
MT6873
MT6877
MT8518S

Software vendor:
MediaTek

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

The vulnerability exists due to a boundary condition within watchdog component. A local application can trigger out-of-bounds read error and escalate privileges on the system.

Install updates from vendor's website.

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