Deserialization of Untrusted Data in MediaTek products - CVE-2022-26471

Vulnerability identifier: #VU67838

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2022-26471

CWE-ID: CWE-502

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to insecure input validation when processing serialized data within the telephony service. A local application can pass a specially crafted data to the affected service and execute arbitrary code with elevated privileges.

MT8765
MT6895
MT6983
MT8321
MT8385
MT8666
MT8675
MT8766
MT8768
MT8786
MT8788
MT8789
MT8791
MT6580
MT6879
MT6855
MT6833
MT6789
MT6768
MT6765
MT6761
MT6739
MT6889
MT6893
MT6885
MT8797
MT6883
MT6877
MT6873
MT6853T
MT6853
MT6785
MT6781
Google Android

Install updates from vendor's website.

Google Android - addressed in versions 10 2022-10-05, 11 2022-10-05, 12L 2022-10-05, 12 2022-10-05, 13 2022-10-05

• https://corp.mediatek.com/product-security-bulletin/October-2022

• Multiple vulnerabilities in MediaTek chipsets
• Multiple vulnerabilities in Google Android