#VU73059 UNIX Symbolic Link (Symlink) Following in MediaTek products - CVE-2022-20085
Published: March 7, 2023
Vulnerability identifier: #VU73059
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2022-20085
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
MT6580
MT6731
MT6735
MT6750S
MT6753
MT6755S
MT6757
MT6757C
MT6757CD
MT6757CH
MT6761
MT6762
MT6763
MT6765
MT6768
MT6769
MT6771
MT6833
MT8167
MT8167S
MT8168
MT8173
MT8175
MT8185
MT8321
MT8362A
MT8365
MT8385
MT8666
MT8675
MT8696
MT8765
MT8766
MT8768
MT8786
MT8788
MT8789
MT8791
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT6580
MT6731
MT6735
MT6750S
MT6753
MT6755S
MT6757
MT6757C
MT6757CD
MT6757CH
MT6761
MT6762
MT6763
MT6765
MT6768
MT6769
MT6771
MT6833
MT8167
MT8167S
MT8168
MT8173
MT8175
MT8185
MT8321
MT8362A
MT8365
MT8385
MT8666
MT8675
MT8696
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 privileged application to execute arbitrary code.
The vulnerability exists due to an improper link resolution within netdiag. A local privileged application can execute arbitrary code.
Remediation
Install security update from vendor's website.