#VU69898 Out-of-bounds write in MediaTek products - CVE-2022-32629

Vulnerability identifier: #VU69898

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-32629

CWE-ID: CWE-787

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6833
Mobile applications / Mobile firmware & hardware
MT6855
Mobile applications / Mobile firmware & hardware
MT8791
Mobile applications / Mobile firmware & hardware
MT6853
Hardware solutions / Firmware
MT6873
Hardware solutions / Firmware
MT6877
Hardware solutions / Firmware
MT6893
Hardware solutions / Firmware

Vendor: MediaTek

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error when processing untrusted input in isp. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MT6833: All versions

MT6853: All versions

MT6855: All versions

MT6873: All versions

MT6877: All versions

MT6893: All versions

MT8791: All versions

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External links
https://corp.mediatek.com/product-security-bulletin/December-2022

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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.