#VU66965 UNIX symbolic link following in MediaTek products - CVE-2022-26456

Vulnerability identifier: #VU66965

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2022-26456

CWE-ID: CWE-61

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6769
MT6789
MT6833
MT6855
MT6983
MT8185
MT8789
MT8791
MT6781
MT6785
MT6853
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797

Software vendor:
MediaTek

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a symlink following issue in vow. A local user can gain unauthorized access to sensitive information on the system.

Install updates from vendor's website.

• https://corp.mediatek.com/product-security-bulletin/September-2022