UNIX Symbolic Link (Symlink) Following in MediaTek products - CVE-2022-20103
Published: March 7, 2023
Vulnerability identifier: #VU73076
CSH Severity: Low
CVSS v4: 4.6 [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]
CVE-ID: CVE-2022-20103
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged application to gain access to sensitive information.
The vulnerability exists due to symbolic link following within aee daemon. A local privileged application can gain access to sensitive information.
Affected software
MT8365
MT6895
MT6983
MT8163
MT8167
MT8168
MT8173
MT8185
MT8321
MT8362A
MT8735
MT8735B
MT8765
MT8766
MT8768
MT8786
MT8788
MT8789
MT8791
MT6789
MT6739
MT6761
MT6762
MT6765
MT6768
MT6769
MT6771
MT6580
MT6833
MT6879
MT6893
MT6891
MT8797
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6895
MT6983
MT8163
MT8167
MT8168
MT8173
MT8185
MT8321
MT8362A
MT8735
MT8735B
MT8765
MT8766
MT8768
MT8786
MT8788
MT8789
MT8791
MT6789
MT6739
MT6761
MT6762
MT6765
MT6768
MT6769
MT6771
MT6580
MT6833
MT6879
MT6893
MT6891
MT8797
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
How to mitigate CVE-2022-20103
Install security update from vendor's website.