#VU61101 Permissions, Privileges, and Access Controls in MediaTek products - CVE-2022-20053
Published: March 8, 2022 / Updated: March 7, 2023
Vulnerability identifier: #VU61101
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-2022-20053
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
MT6731
MT6732
MT6735
MT6737
MT6739
MT6750
MT6750S
MT6752
MT6753
MT6755
MT6755S
MT6757
MT6758
MT6761
MT6762
MT6763
MT6765
MT6768
MT6769
MT6771
MT6795
MT6797
MT6799
MT6833
MT6880
MT6890
MT8167
MT8168
MT8173
MT8183
MT8185
MT8321
MT8362A
MT8365
MT8385
MT8666
MT8667
MT8675
MT8765
MT8766
MT8768
MT8786
MT8788
MT8789
MT8791
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT6731
MT6732
MT6735
MT6737
MT6739
MT6750
MT6750S
MT6752
MT6753
MT6755
MT6755S
MT6757
MT6758
MT6761
MT6762
MT6763
MT6765
MT6768
MT6769
MT6771
MT6795
MT6797
MT6799
MT6833
MT6880
MT6890
MT8167
MT8168
MT8173
MT8183
MT8185
MT8321
MT8362A
MT8365
MT8385
MT8666
MT8667
MT8675
MT8765
MT8766
MT8768
MT8786
MT8788
MT8789
MT8791
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
Software vendor:
MediaTek
MediaTek
Description
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to missing permissions check in the ims service. A local application can execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.