#VU79082 Time-of-check Time-of-use (TOCTOU) Race Condition in MediaTek products - CVE-2023-20785

Vulnerability identifier: #VU79082

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-2023-20785

CWE-ID: CWE-367

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT6879
MT6895
MT8168
MT8781
MT8791

Software vendor:
MediaTek

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

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

Install security update from vendor's website.

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