#VU91037 Out-of-bounds write in MediaTek products - CVE-2024-20066

Vulnerability identifier: #VU91037

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-20066

CWE-ID: CWE-787

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6298
Mobile applications / Mobile firmware & hardware
MT6813
Mobile applications / Mobile firmware & hardware
MT6815
Mobile applications / Mobile firmware & hardware
MT6835
Mobile applications / Mobile firmware & hardware
MT6878
Mobile applications / Mobile firmware & hardware
MT6879
Mobile applications / Mobile firmware & hardware
MT6895
Mobile applications / Mobile firmware & hardware
MT6895T
Mobile applications / Mobile firmware & hardware
MT6896
Mobile applications / Mobile firmware & hardware
MT6897
Mobile applications / Mobile firmware & hardware
MT6899
Mobile applications / Mobile firmware & hardware
MT6980
Mobile applications / Mobile firmware & hardware
MT6980D
Mobile applications / Mobile firmware & hardware
MT6983
Mobile applications / Mobile firmware & hardware
MT6986
Mobile applications / Mobile firmware & hardware
MT6986D
Mobile applications / Mobile firmware & hardware
MT6990
Mobile applications / Mobile firmware & hardware
MT6991
Mobile applications / Mobile firmware & hardware
MT8673
Mobile applications / Mobile firmware & hardware
MT8792
Mobile applications / Mobile firmware & hardware
MT8798
Mobile applications / Mobile firmware & hardware

Vendor: MediaTek

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an incorrect bounds check within Modem. A local application can perform service disruption.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT6298: All versions

MT6813: All versions

MT6815: All versions

MT6835: All versions

MT6878: All versions

MT6879: All versions

MT6895: All versions

MT6895T: All versions

MT6896: All versions

MT6897: All versions

MT6899: All versions

MT6980: All versions

MT6980D: All versions

MT6983: All versions

MT6986: All versions

MT6986D: All versions

MT6990: All versions

MT6991: All versions

MT8673: All versions

MT8792: All versions

MT8798: All versions

---

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

---

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.