Time-of-check Time-of-use (TOCTOU) Race Condition in MediaTek products - CVE-2021-0897
Published: March 7, 2023
Vulnerability identifier: #VU72994
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-2021-0897
CWE-ID: CWE-367
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged application to execute arbitrary code.
The vulnerability exists due to a missing bounds check within apusys. A local privileged application can execute arbitrary code.
Affected software
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT8195
MT8791
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT8195
MT8791
How to mitigate CVE-2021-0897
Install security update from vendor's website.