Vulnerability identifier: #VU89142

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-2024-20021

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6768
Mobile applications / Mobile firmware & hardware
MT6833
Mobile applications / Mobile firmware & hardware
MT8168
Mobile applications / Mobile firmware & hardware
MT8183
Mobile applications / Mobile firmware & hardware
MT8188
Mobile applications / Mobile firmware & hardware
MT8188T
Mobile applications / Mobile firmware & hardware
MT8195
Mobile applications / Mobile firmware & hardware
MT8195Z
Mobile applications / Mobile firmware & hardware
MT8321
Mobile applications / Mobile firmware & hardware
MT8362A
Mobile applications / Mobile firmware & hardware
MT8365
Mobile applications / Mobile firmware & hardware
MT8385
Mobile applications / Mobile firmware & hardware
MT8666
Mobile applications / Mobile firmware & hardware
MT8666A
Mobile applications / Mobile firmware & hardware
MT8666B
Mobile applications / Mobile firmware & hardware
MT8667
Mobile applications / Mobile firmware & hardware
MT8673
Mobile applications / Mobile firmware & hardware
MT8675
Mobile applications / Mobile firmware & hardware
MT8676
Mobile applications / Mobile firmware & hardware
MT8678
Mobile applications / Mobile firmware & hardware
MT8765
Mobile applications / Mobile firmware & hardware
MT8766
Mobile applications / Mobile firmware & hardware
MT8766Z
Mobile applications / Mobile firmware & hardware
MT8768
Mobile applications / Mobile firmware & hardware
MT8768A
Mobile applications / Mobile firmware & hardware
MT8768B
Mobile applications / Mobile firmware & hardware
MT8768T
Mobile applications / Mobile firmware & hardware
MT8768Z
Mobile applications / Mobile firmware & hardware
MT8781
Mobile applications / Mobile firmware & hardware
MT8786
Mobile applications / Mobile firmware & hardware
MT8788
Mobile applications / Mobile firmware & hardware
MT8788T
Mobile applications / Mobile firmware & hardware
MT8788X
Mobile applications / Mobile firmware & hardware
MT8788Z
Mobile applications / Mobile firmware & hardware
MT8792
Mobile applications / Mobile firmware & hardware
MT8795T
Mobile applications / Mobile firmware & hardware
MT8796
Mobile applications / Mobile firmware & hardware
MT8798
Mobile applications / Mobile firmware & hardware
MT6781
Hardware solutions / Firmware
MT6785
Hardware solutions / Firmware
MT6853
Hardware solutions / Firmware
MT6873
Hardware solutions / Firmware
MT6877
Hardware solutions / Firmware
MT6885
Hardware solutions / Firmware
MT6893
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 atf spm. A local privileged application can execute arbitrary code.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT6768: All versions

MT6781: All versions

MT6785: All versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6885: All versions

MT6893: All versions

MT8168: All versions

MT8183: All versions

MT8188: All versions

MT8188T: All versions

MT8195: All versions

MT8195Z: All versions

MT8321: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

MT8666: All versions

MT8666A: All versions

MT8666B: All versions

MT8667: All versions

MT8673: All versions

MT8675: All versions

MT8676: All versions

MT8678: All versions

MT8765: All versions

MT8766: All versions

MT8766Z: All versions

MT8768: All versions

MT8768A: All versions

MT8768B: All versions

MT8768T: All versions

MT8768Z: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8788T: All versions

MT8788X: All versions

MT8788Z: All versions

MT8792: All versions

MT8795T: All versions

MT8796: All versions

MT8798: All versions

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External links
http://corp.mediatek.com/product-security-bulletin/May-2024

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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.