#VU77028 Improper Synchronization in MediaTek Hardware solutions


Published: 2023-06-06

Vulnerability identifier: #VU77028

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-2023-20744

CWE-ID: CWE-662

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6789
Mobile applications / Mobile firmware & hardware
MT6855
Mobile applications / Mobile firmware & hardware
MT8185
Mobile applications / Mobile firmware & hardware
MT8195
Mobile applications / Mobile firmware & hardware
MT8365
Mobile applications / Mobile firmware & hardware
MT8395
Mobile applications / Mobile firmware & hardware
MT8781
Mobile applications / Mobile firmware & hardware
MT8786
Mobile applications / Mobile firmware & hardware
MT8789
Mobile applications / Mobile firmware & hardware
MT8791
Mobile applications / Mobile firmware & hardware
MT8797
Hardware solutions / Firmware

Vendor: MediaTek

Description

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

The vulnerability exists due to a logic error within vcu. A local privileged application can execute arbitrary code.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT6789: All versions

MT6855: All versions

MT8185: All versions

MT8195: All versions

MT8365: All versions

MT8395: All versions

MT8781: All versions

MT8786: All versions

MT8789: All versions

MT8791: All versions

MT8797: All versions


External links
http://corp.mediatek.com/product-security-bulletin/June-2023


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