#VU101141 Out-of-bounds write in MediaTek products - CVE-2024-20135

Vulnerability identifier: #VU101141

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-2024-20135

CWE-ID: CWE-787

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6768
Mobile applications / Mobile firmware & hardware
MT6833
Mobile applications / Mobile firmware & hardware
MT6878
Mobile applications / Mobile firmware & hardware
MT6897
Mobile applications / Mobile firmware & hardware
MT6989
Mobile applications / Mobile firmware & hardware
MT8775
Mobile applications / Mobile firmware & hardware
MT8796
Mobile applications / Mobile firmware & hardware
MT9687
Mobile applications / Mobile firmware & hardware
MT6781
Hardware solutions / Firmware
MT6853
Hardware solutions / Firmware
MT6877
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 missing bounds check within soundtrigger. 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

MT6833: All versions

MT6853: All versions

MT6877: All versions

MT6878: All versions

MT6893: All versions

MT6897: All versions

MT6989: All versions

MT8775: All versions

MT8796: All versions

MT9687: All versions

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