Headline
CVE-2022-32593: October 2022
In vowe, 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. Patch ID: ALPS07138493; Issue ID: ALPS07138493.
October 2022 Product Security Bulletin
Published 2022-10-03
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-2022-26471, CVE-2022-26472
Medium
CVE-2022-26452, CVE-2022-26473, CVE-2022-26474, CVE-2022-26475, CVE-2022-32589, CVE-2022-32590, CVE-2022-32591, CVE-2022-32592, CVE-2022-32593
****Details****
CVE
CVE-2022-26471
Title
Deserialization of untrusted data in telephony
Severity
High
Vulnerability Type
EoP
CWE
CWE-502 Deserialization of Untrusted Data
Description
In telephony, there is a possible escalation of privilege due to a parcel format mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6580, MT6739, MT6761, MT6765, MT6768, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, 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 12.0
CVE
CVE-2022-26472
Title
Deserialization of untrusted data in ims
Severity
High
Vulnerability Type
EoP
CWE
CWE-502 Deserialization of Untrusted Data
Description
In ims, there is a possible escalation of privilege due to a parcel format mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6739, 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, MT8321, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797
Affected Software Versions
Android 10.0, 11.0, 12.0
CVE
CVE-2022-26452
Title
Improper synchronization in isp
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-662 Improper Synchronization
Description
In isp, there is a possible use after free due to improper locking. 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
CVE
CVE-2022-26473
Title
Improper synchronization in vdec fmt
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-662 Improper Synchronization
Description
In vdec fmt, there is a possible use after free due to improper locking. 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, MT8695, MT8696, MT8798
Affected Software Versions
Android 12.0
CVE
CVE-2022-26474
Title
Incorrect calculation of buffer size in sensorhub
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-131 Incorrect Calculation of Buffer Size
Description
In sensorhub, 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, MT6879, MT6895, MT6983
Affected Software Versions
Android 12.0
CVE
CVE-2022-26475
Title
Improper input validation in wlan
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In wlan, 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
MT6761, MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6853, MT6855, MT6873, MT6875, MT6879, MT6883, MT6885, MT6889, MT6895, MT6983, MT7663, MT7902, MT7921, MT8167S, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8512A, MT8518, MT8532, MT8667, MT8695, MT8696, MT8766, MT8768, MT8786, MT8788, MT8789
Affected Software Versions
Android 11.0, 12.0 and Yocto 3.1, 3.3
CVE
CVE-2022-32589
Title
Improper resource shutdown or release in Wi-Fi driver
Severity
Medium
Vulnerability Type
DoS
CWE
CWE-404 Improper Resource Shutdown or Release
Description
In Wi-Fi driver, there is a possible way to disconnect Wi-Fi due to an improper resource release. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6761, MT6762, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8512A, MT8518, MT8532, MT8667, MT8766, MT8768, MT8786, MT8788, MT8789
Affected Software Versions
Android 11.0, 12.0 and Yocto 3.1, 3.3
CVE
CVE-2022-32590
Title
Improper check or handling of exceptional conditions in wlan
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-703 Improper Check or Handling of Exceptional Conditions
Description
In wlan, there is a possible use after free due to an incorrect status check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6761, MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8512A, MT8518, MT8532, MT8667, MT8695, MT8696, MT8766, MT8768, MT8786, MT8788, MT8789
Affected Software Versions
Android 11.0, 12.0 and Yocto 3.1, 3.3
CVE
CVE-2022-32591
Title
Improper input validation in ril
Severity
Medium
Vulnerability Type
DoS
CWE
CWE-20 Improper Input Validation
Description
In ril, there is a possible system crash due to an incorrect bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets
MT6580, MT6739, MT6753, MT6757, MT6761, MT6762, MT6763, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8321, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797
Affected Software Versions
Android 11.0, 12.0
CVE
CVE-2022-32592
Title
Improper input validation in cpu dvfs
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In cpu dvfs, 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
MT6855, MT6879, MT6895, MT6983, MT8185, MT8321, MT8385, MT8518, MT8666, MT8675, MT8765, MT8768, MT8786, MT8788, MT8789
Affected Software Versions
Android 11.0, 12.0 and Yocto 3.1, 3.3
CVE
CVE-2022-32593
Title
Improper input validation in vowe
Severity
Medium
Vulnerability Type
EoP
CWE
CWE-20 Improper Input Validation
Description
In vowe, 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
MT6983
Affected Software Versions
Android 12.0
****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
October 3, 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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