Deserialization of Untrusted Data in MediaTek products - CVE-2022-26472

Vulnerability identifier: #VU67839

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-2022-26472

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 ims service. A local application can pass a specially crafted data to the affected service and execute arbitrary code with elevated privileges.

MT8666
MT6895
MT6983
MT8321
MT8385
MT6879
MT8675
MT8765
MT8766
MT8768
MT8786
MT8788
MT8789
MT8791
MT6761
MT6762
MT6763
MT6765
MT6768
MT6769
MT6771
MT6739
MT6789
MT6833
MT6855
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT6785
MT6779
MT6781
MT6853
MT6853T
MT6873
MT6875
MT6877
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