#VU70650 Race condition in MediaTek products - CVE-2022-32648

Vulnerability identifier: #VU70650

Vulnerability risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-32648

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6735
Mobile applications / Mobile firmware & hardware
MT6737
Mobile applications / Mobile firmware & hardware
MT6739
Mobile applications / Mobile firmware & hardware
MT6753
Mobile applications / Mobile firmware & hardware
MT6757
Mobile applications / Mobile firmware & hardware
MT6761
Mobile applications / Mobile firmware & hardware
MT6763
Mobile applications / Mobile firmware & hardware
MT6765
Mobile applications / Mobile firmware & hardware
MT6768
Mobile applications / Mobile firmware & hardware
MT6771
Mobile applications / Mobile firmware & hardware
MT6789
Mobile applications / Mobile firmware & hardware
MT6779
Hardware solutions / Firmware
MT6785
Hardware solutions / Firmware

Vendor: MediaTek

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a race condition. A local application can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MT6735: All versions

MT6737: All versions

MT6739: All versions

MT6753: All versions

MT6757: All versions

MT6761: All versions

MT6763: All versions

MT6765: All versions

MT6768: All versions

MT6771: All versions

MT6779: All versions

MT6785: All versions

MT6789: All versions

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External links
https://corp.mediatek.com/product-security-bulletin/January-2023

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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.