#VU101140 Out-of-bounds write in MediaTek products - CVE-2024-20134

Vulnerability identifier: #VU101140

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-2024-20134

CWE-ID: CWE-787

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6835
Mobile applications / Mobile firmware & hardware
MT6878
Mobile applications / Mobile firmware & hardware
MT6879
Mobile applications / Mobile firmware & hardware
MT6895
Mobile applications / Mobile firmware & hardware
MT6896
Mobile applications / Mobile firmware & hardware
MT6897
Mobile applications / Mobile firmware & hardware
MT6983
Mobile applications / Mobile firmware & hardware
MT6985
Mobile applications / Mobile firmware & hardware
MT6989
Mobile applications / Mobile firmware & hardware
MT8755
Mobile applications / Mobile firmware & hardware
MT8775
Mobile applications / Mobile firmware & hardware
MT8796
Mobile applications / Mobile firmware & hardware
MT8798
Mobile applications / Mobile firmware & hardware

Vendor: MediaTek

Description

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

The vulnerability exists due to a missing bounds check within ril. A local privileged application can execute arbitrary code.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT6835: All versions

MT6878: All versions

MT6879: All versions

MT6895: All versions

MT6896: All versions

MT6897: All versions

MT6983: All versions

MT6985: All versions

MT6989: All versions

MT8755: All versions

MT8775: All versions

MT8796: All versions

MT8798: 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.