Use After Free in MediaTek products - CVE-2021-0669
Published: March 7, 2023
Vulnerability identifier: #VU72982
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-2021-0669
CWE-ID: CWE-416
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 use after free within apusys. A local privileged application can execute arbitrary code.
Affected software
MT8791
MT9981
MT9980
MT9970
MT9686
MT9669
MT9652
MT9650
MT9639
MT9638
MT9636
MT8195
MT8797
MT6853
MT6893
MT6891
MT6889
MT6885
MT6883
MT6877
MT6875
MT6873
MT6853T
MT9981
MT9980
MT9970
MT9686
MT9669
MT9652
MT9650
MT9639
MT9638
MT9636
MT8195
MT8797
MT6853
MT6893
MT6891
MT6889
MT6885
MT6883
MT6877
MT6875
MT6873
MT6853T
How to mitigate CVE-2021-0669
Install security update from vendor's website.