#VU73068 Improper Input Validation in MediaTek products


Vulnerability identifier: #VU73068

Vulnerability risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20095

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6771
Mobile applications / Mobile firmware & hardware
MT6833
Mobile applications / Mobile firmware & hardware
MT8788
Mobile applications / Mobile firmware & hardware
MT6779
Hardware solutions / Firmware
MT6781
Hardware solutions / Firmware
MT6785
Hardware solutions / Firmware
MT6853
Hardware solutions / Firmware
MT6873
Hardware solutions / Firmware
MT6885
Hardware solutions / Firmware
MT6893
Hardware solutions / Firmware
MT8797
Hardware solutions / Firmware

Vendor: MediaTek

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within imgsensor. A local privileged application can execute arbitrary code.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6885: All versions

MT6893: All versions

MT8788: All versions

MT8797: All versions


External links
http://corp.mediatek.com/product-security-bulletin/May-2022


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability