Headline
CVE-2022-32594: December 2022
In widevine, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07446207; Issue ID: ALPS07446207.
December 2022 Product Security Bulletin
Published 2022-12-05
The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform and OTT 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-2022-32619, CVE-2022-32594, CVE-2022-32597, CVE-2022-32598, CVE-2022-32596, CVE-2022-32620
Medium
CVE-2022-32595, CVE-2022-32621, CVE-2022-32622, CVE-2022-32624, CVE-2022-32625, CVE-2022-32626, CVE-2022-32628, CVE-2022-32629, CVE-2022-32630, CVE-2022-32631, CVE-2022-32632, CVE-2022-32633, CVE-2022-32634
****Details****
CVE
CVE-2022-32619
Title
Buffer copy without checking size of input (‘classic buffer overflow’) in keyinstall
Severity
High
Vulnerability Type
EoP
CWE
CWE-120 Buffer Copy without Checking Size of Input (‘Classic Buffer Overflow’)
Description
In keyinstall, there is a possible out of bounds write due to an incorrect 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, MT8185, MT8321, MT8385, MT8666, MT8667, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
Affected Software Versions
Android 10.0, 11.0, 12.0, 13.0
CVE
CVE-2022-32594
Title
Improper input validation in widevine
Severity
High
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In widevine, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797
Affected Software Versions
Android 10.0, 11.0, 12.0
CVE
CVE-2022-32597
Title
Improper input validation in widevine
Severity
High
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In widevine, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797
Affected Software Versions
Android 10.0, 11.0, 12.0
CVE
CVE-2022-32598
Title
Improper input validation in widevine
Severity
High
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In widevine, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797
Affected Software Versions
Android 10.0, 11.0, 12.0
CVE
CVE-2022-32596
Title
Improper input validation in widevine
Severity
High
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In widevine, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797
Affected Software Versions
Android 10.0, 11.0, 12.0
CVE
CVE-2022-32620
Title
Improper access control in mpu
Severity
High
Vulnerability Type
EoP
CWE
CWE-284 Improper Access Control
Description
In mpu, there is a possible memory corruption 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
MT6781, MT6789, MT6833, MT6853, MT6873, MT6877, MT8781, MT8791
Affected Software Versions
Android 11.0, 12.0, 13.0
CVE
CVE-2022-32595
Title
Improper input validation in widevine
Severity
Medium
Vulnerability Type
ID
CWE
CWE-20 Improper Input Validation
Description
In widevine, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797
Affected Software Versions
Android 10.0, 11.0, 12.0
CVE
CVE-2022-32621
Title
Improper synchronization in isp
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-662 Improper Synchronization
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
MT6895, MT6983
Affected Software Versions
Android 12.0
CVE
CVE-2022-32622
Title
Improper input validation in gz
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In gz, there is a possible memory corruption 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
MT6789, MT6855, MT6879, MT6895, MT6983, MT8781
Affected Software Versions
Android 11.0, 12.0, 13.0
CVE
CVE-2022-32624
Title
Buffer copy without checking size of input (‘classic buffer overflow’) in throttling
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-120 Buffer Copy without Checking Size of Input (‘Classic Buffer Overflow’)
Description
In throttling, there is a possible out of bounds write due to an incorrect calculation of buffer size. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6789, MT6855, MT6895, MT6983, MT8168, MT8365, MT8781
Affected Software Versions
Android 11.0, 12.0
CVE
CVE-2022-32625
Title
Improper input validation in display
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In display, there is a possible out of bounds write due to an incorrect 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, MT8168, MT8365, MT8675, MT8766, MT8781, MT8791
Affected Software Versions
Android 11.0, 12.0
CVE
CVE-2022-32626
Title
Improper input validation in display
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In display, there is a possible out of bounds write due to an incorrect 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, MT8168, MT8365, MT8766, MT8781, MT8791
Affected Software Versions
Android 11.0, 12.0
CVE
CVE-2022-32628
Title
Improper input validation in isp
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In isp, 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
MT6833, MT6853, MT6855, MT6873, MT6877, MT6893, MT8791
Affected Software Versions
Android 12.0
CVE
CVE-2022-32629
Title
Improper input validation in isp
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In isp, 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
MT6833, MT6853, MT6855, MT6873, MT6877, MT6893, MT8791
Affected Software Versions
Android 12.0
CVE
CVE-2022-32630
Title
Stack-based buffer overflow in throttling
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-121 Stack-based Buffer Overflow
Description
In throttling, there is a possible out of bounds write due to an incorrect calculation of buffer size. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6789, MT6855, MT6895, MT6983, MT8781
Affected Software Versions
Android 12.0, 13.0
CVE
CVE-2022-32631
Title
Improper input validation in Wi-Fi
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In Wi-Fi, 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
MT6580, MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6873, MT6877, MT6879, MT6883, MT6895, MT6983, MT8168, MT8365, MT8385, MT8666, MT8667, MT8675, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797
Affected Software Versions
Android 11.0, 12.0, 13.0 and Yocto 3.1
CVE
CVE-2022-32632
Title
Improper input validation in Wi-Fi
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In Wi-Fi, 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
MT6580, MT6735, MT6765, MT6768, MT6771, MT6779, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6983, MT7663, MT7668, MT7902, MT7921, MT7933, MT8168, MT8365, MT8518, MT8532, MT8666, MT8667, MT8675, MT8695, MT8696, MT8766, MT8768, MT8786, MT8789, MT8791, MT8797
Affected Software Versions
Android 11.0, 12.0, 13.0 and Yocto 3.1,3.3
CVE
CVE-2022-32633
Title
Incorrect use of privileged apis in Wi-Fi
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-648 Incorrect Use of Privileged APIs
Description
In Wi-Fi, there is a possible memory access violation 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
MT6580, MT6739, MT6761, MT6762, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT7902, MT7921, MT8167S, MT8168, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8695, MT8696, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797
Affected Software Versions
Android 11.0, 12.0, 13.0 and Yocto 3.1,3.3
CVE
CVE-2022-32634
Title
Improper input validation in ccci
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In ccci, 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
MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6833, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8321, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797
Affected Software Versions
Android 11.0, 12.0, 13.0
****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
December 5, 2022
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.
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