#VU65052 Out-of-bounds write in MediaTek products - CVE-2022-21785

Vulnerability identifier: #VU65052

Vulnerability risk: Low

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

CVE-ID: CVE-2022-21785

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6877
MT8797
MT6983
MT8167S
MT8168
MT8175
MT8183
MT8185
MT8362A
MT8365
MT8385
MT8667
MT8675
MT8695
MT8696
MT8766
MT8768
MT8786
MT8788
MT8789
MT8791

Software vendor:
MediaTek

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

The vulnerability exists due to a boundary error in WLAN driver. A malicious application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Install updates from vendor's website.

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