#VU66962 Use-after-free in MediaTek Hardware solutions


Published: 2022-09-05

Vulnerability identifier: #VU66962

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-26453

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6761
Mobile applications / Mobile firmware & hardware
MT6765
Mobile applications / Mobile firmware & hardware
MT6768
Mobile applications / Mobile firmware & hardware
MT6771
Mobile applications / Mobile firmware & hardware
MT6833
Mobile applications / Mobile firmware & hardware
MT6879
Mobile applications / Mobile firmware & hardware
MT6895
Mobile applications / Mobile firmware & hardware
MT6983
Mobile applications / Mobile firmware & hardware
MT6779
Hardware solutions / Firmware
MT6781
Hardware solutions / Firmware
MT6785
Hardware solutions / Firmware
MT6853
Hardware solutions / Firmware
MT6875
Hardware solutions / Firmware
MT6877
Hardware solutions / Firmware
MT6885
Hardware solutions / Firmware
MT6893
Hardware solutions / Firmware

Vendor: MediaTek

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in teei. A local user can gain elevated privileges on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MT6761: All versions

MT6765: All versions

MT6768: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6833: All versions

MT6853: All versions

MT6875: All versions

MT6877: All versions

MT6879: All versions

MT6885: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions


CPE

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


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability