#VU86133 Out-of-bounds write in MediaTek products - CVE-2024-20011

Vulnerability identifier: #VU86133

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-20011

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MT6985
Mobile applications / Mobile firmware & hardware
MT8127
Mobile applications / Mobile firmware & hardware
MT8135
Mobile applications / Mobile firmware & hardware
MT8167
Mobile applications / Mobile firmware & hardware
MT8167S
Mobile applications / Mobile firmware & hardware
MT8168
Mobile applications / Mobile firmware & hardware
MT8173
Mobile applications / Mobile firmware & hardware
MT8175
Mobile applications / Mobile firmware & hardware
MT8176
Mobile applications / Mobile firmware & hardware
MT8183
Mobile applications / Mobile firmware & hardware
MT8185
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
MT8312C
Mobile applications / Mobile firmware & hardware
MT8312D
Mobile applications / Mobile firmware & hardware

Vendor: MediaTek

Description

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to an incorrect bounds check within alac decoder. A remote attacker can trick the victim to open a specially crafted file and execute arbitrary code.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT6985: All versions

MT8127: All versions

MT8135: All versions

MT8167: All versions

MT8167S: All versions

MT8168: All versions

MT8173: All versions

MT8175: All versions

MT8176: All versions

MT8183: All versions

MT8185: All versions

MT8188: All versions

MT8188T: All versions

MT8195: All versions

MT8195Z: All versions

MT8312C: All versions

MT8312D: All versions

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External links
https://corp.mediatek.com/product-security-bulletin/February-2024

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.