January 2023 Product Security Bulletin

Published 2023-01-03
The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform, OTT and Wi-Fi chipsets. Device OEMs have been notified of all the issues and the corresponding security patches for at least two months before publication.

The severity of the identified vulnerabilities was conducted based on the Common Vulnerability Scoring System version 3.1 (CVSS v3.1).


Summary

Severity CVEs
High CVE-2022-32635, CVE-2022-32636, CVE-2022-32637
Medium CVE-2022-32638, CVE-2022-32639, CVE-2022-32640, CVE-2022-32641, CVE-2022-32644, CVE-2022-32645, CVE-2022-32646, CVE-2022-32647, CVE-2022-32648, CVE-2022-32649, CVE-2022-32650, CVE-2022-32651, CVE-2022-32652, CVE-2022-32653, CVE-2022-32623, CVE-2022-32657, CVE-2022-32658, CVE-2022-32659, CVE-2022-32664, CVE-2022-32665


Details

CVE CVE-2022-32635
Title Improper input validation in gps
Severity High
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In gps, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6580, MT6735, MT6739, MT6753, MT6757, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6891, MT6893, MT6895, MT6983, MT8167, MT8168, MT8173, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8667, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
Affected Software Versions Android 10.0, 11.0, 12.0, 13.0

CVE CVE-2022-32636
Title Improper input validation in keyinstall
Severity High
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In keyinstall, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8185, MT8321, MT8385, MT8666, MT8667, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
Affected Software Versions Android 10.0, 11.0, 12.0, 13.0

CVE CVE-2022-32637
Title Improper input validation in hevc decoder
Severity High
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In hevc decoder, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6883, MT6885, MT6889, MT8185, MT8789
Affected Software Versions Android 10.0, 11.0

CVE CVE-2022-32638
Title Time-of-check time-of-use (toctou) race condition in isp
Severity Medium
Vulnerability Type EoP
CWE CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
Description In isp, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6781, MT6833, MT6853, MT6855, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
Affected Software Versions Android 11.0, 12.0, 13.0

CVE CVE-2022-32639
Title Exposure of sensitive information to an unauthorized actor in watchdog
Severity Medium
Vulnerability Type EoP
CWE CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Description In watchdog, there is a possible out of bounds read due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6739, MT6768, MT6771, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT8167, MT8167S, MT8362A, MT8385, MT8518S, MT8532, MT8765, MT8786, MT8791
Affected Software Versions Android 11.0, 12.0

CVE CVE-2022-32640
Title Improper input validation in meta wifi
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In meta wifi, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8167, MT8168, MT8173, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
Affected Software Versions Android 11.0, 12.0

CVE CVE-2022-32641
Title Improper input validation in meta wifi
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In meta wifi, there is a possible out of bounds read due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8167, MT8168, MT8173, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
Affected Software Versions Android 11.0, 12.0, 13.0

CVE CVE-2022-32644
Title Improper synchronization in vow
Severity Medium
Vulnerability Type EoP
CWE CWE-662 Improper Synchronization
Description In vow, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6789, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6891, MT6893, MT6895, MT6983, MT8781, MT8791, MT8791T, MT8797
Affected Software Versions Android 11.0, 12.0, 13.0

CVE CVE-2022-32645
Title Improper synchronization in vow
Severity Medium
Vulnerability Type ID
CWE CWE-662 Improper Synchronization
Description In vow, there is a possible information disclosure due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6789, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6891, MT6893, MT6895, MT6983, MT8781, MT8791, MT8791T, MT8797
Affected Software Versions Android 11.0, 12.0, 13.0

CVE CVE-2022-32646
Title Improper input validation in gpu drm
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In gpu drm, there is a possible stack overflow due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8675, MT8766, MT8781, MT8791
Affected Software Versions Android 11.0, 12.0, 13.0

CVE CVE-2022-32647
Title Improper input validation in ccu
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In ccu, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6879, MT6895, MT6983
Affected Software Versions Android 12.0, 13.0

CVE CVE-2022-32648
Title Improper synchronization in disp
Severity Medium
Vulnerability Type EoP
CWE CWE-662 Improper Synchronization
Description In disp, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6735, MT6737, MT6739, MT6753, MT6757, MT6761, MT6763, MT6765, MT6768, MT6771, MT6779, MT6785, MT6789
Affected Software Versions Android 11.0, 12.0

CVE CVE-2022-32649
Title Incorrect calculation of buffer size in jpeg
Severity Medium
Vulnerability Type EoP
CWE CWE-131 Incorrect Calculation of Buffer Size
Description In jpeg, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6895, MT6983
Affected Software Versions Android 12.0

CVE CVE-2022-32650
Title Incorrect calculation of buffer size in isp
Severity Medium
Vulnerability Type EoP
CWE CWE-131 Incorrect Calculation of Buffer Size
Description In mtk-isp, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6879, MT6895, MT6983
Affected Software Versions Android 12.0, 13.0

CVE CVE-2022-32651
Title Incorrect calculation of buffer size in mtk-aie
Severity Medium
Vulnerability Type EoP
CWE CWE-131 Incorrect Calculation of Buffer Size
Description In mtk-aie, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6879, MT6983
Affected Software Versions Android 12.0

CVE CVE-2022-32652
Title Improper input validation in isp
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In mtk-aie, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6833, MT6853, MT6877, MT6893, MT8791
Affected Software Versions Android 11.0, 12.0, 13.0

CVE CVE-2022-32653
Title Improper input validation in isp
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In mtk-aie, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6789, MT6855, MT6879, MT6983, MT8781
Affected Software Versions Android 12.0, 13.0

CVE CVE-2022-32623
Title Improper check or handling of exceptional conditions in mdp
Severity Medium
Vulnerability Type EoP
CWE CWE-703 Improper Check or Handling of Exceptional Conditions
Description In mdp, there is a possible out of bounds write due to incorrect error handling. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6789, MT6855, MT6879, MT6895, MT6983, MT8168, MT8365, MT8781
Affected Software Versions Android 12.0

CVE CVE-2022-32657
Title Improper input validation in Wi-Fi driver
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT7603, MT7613, MT7615, MT7622, MT7628, MT7629, MT7915, MT7916, MT7981, MT7986
Affected Software Versions 7.6.6.0

CVE CVE-2022-32658
Title Improper input validation in Wi-Fi driver
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT7603, MT7613, MT7615, MT7622, MT7628, MT7629, MT7915, MT7916, MT7981, MT7986
Affected Software Versions 7.6.6.0

CVE CVE-2022-32659
Title Improper input validation in Wi-Fi driver
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT7603, MT7613, MT7615, MT7622, MT7628, MT7629, MT7915, MT7916, MT7981, MT7986, MT8518S, MT8532
Affected Software Versions 7.6.6.0, and Yocto 3.1, 3.3

CVE CVE-2022-32664
Title Improper input validation in Config Manager
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In Config Manager, there is a possible command injection due to improper input validation. This could lead to remote escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.
Affected Chipsets EN7516, EN7528, EN7529, EN7561, EN7562, EN7580
Affected Software Versions Linux SDK versions less than TLM-7.3.293.0

CVE CVE-2022-32665
Title Improper input validation in Boa
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In Boa, there is a possible command injection due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets EN7528, EN7580
Affected Software Versions Linux SDK versions less than TLB7.3.258.100-P1-1555


Vulnerability Type Definition

Abbreviation Definition
RCE Remote Code Execution
EoP Elevation of Privilege
ID Information Disclosure
DoS Denial of Service
N/A Classification not available


Versions

Version Date Description
1.0 January 3, 2023 Bulletin published.


Notes

Information above is generated only at the time of creation of this Security Bulletin. The list of affected chipsets could be not complete. For any further information, device OEMs can reach your MediaTek contact person if needed.

If you want to report a security vulnerability in MediaTek chipsets or products, please go to Report Security Vulnerability page on MediaTek website.