Improper Input Validation in MediaTek products - CVE-2022-21756
Published: March 7, 2023
Vulnerability identifier: #VU73094
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-21756
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: MediaTek
Affected software:
MT6833
MT6879
MT6880
MT6890
MT6895
MT6983
MT6985
MT8167S
MT8168
MT8175
MT8183
MT8185
MT8362A
MT8365
MT8385
MT8667
MT8675
MT8695
MT8696
MT8766
MT8768
MT8786
MT8788
MT8789
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT6833
MT6879
MT6880
MT6890
MT6895
MT6983
MT6985
MT8167S
MT8168
MT8175
MT8183
MT8185
MT8362A
MT8365
MT8385
MT8667
MT8675
MT8695
MT8696
MT8766
MT8768
MT8786
MT8788
MT8789
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
Detailed vulnerability description
The vulnerability allows a local privileged application to gain access to sensitive information.
The vulnerability exists due to an incorrect bounds check within WLAN driver. A local privileged application can gain access to sensitive information.
How to mitigate CVE-2022-21756
Install security update from vendor's website.