#VU65038 UNIX symbolic link following in MediaTek products - CVE-2022-21770
Published: July 8, 2022
Vulnerability identifier: #VU65038
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-2022-21770
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
MT6781
MT6877
MT6893
MT8797
MT6879
MT6895
MT6983
MT8791
MT8798
MT6781
MT6877
MT6893
MT8797
MT6879
MT6895
MT6983
MT8791
MT8798
Software vendor:
MediaTek
MediaTek
Description
The vulnerability allows a local application to gain access to sensitive information.
The vulnerability exists due to a symlink following issue. A local application can use a specially crafted symbolic link to a critical file on the system and gain access to sensitive information.
Remediation
Install updates from vendor's website.