#VU66963 Integer overflow in MediaTek products - CVE-2022-26454

Vulnerability identifier: #VU66963

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-2022-26454

CWE-ID: CWE-190

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6761
MT6765
MT6768
MT6771
MT6833
MT6879
MT6895
MT6983
MT6779
MT6781
MT6785
MT6853
MT6875
MT6877
MT6885
MT6893

Software vendor:
MediaTek

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in teei. A local user can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install updates from vendor's website.

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