October 2023 Product Security Bulletin

Published 2023-10-02
The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform, OTT, Wi-Fi, TV and Audio 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-2023-20819, CVE-2023-32819, CVE-2023-32820
Medium CVE-2023-32821, CVE-2023-32822, CVE-2023-32823, CVE-2023-32824, CVE-2023-32826, CVE-2023-32827, CVE-2023-32828, CVE-2023-32829, CVE-2023-32830


Details

CVE CVE-2023-20819
Title Out-of-bounds write in CDMA PPP protocol
Severity High
Vulnerability Type EoP
CWE CWE-787 Out-of-bounds Write
Description In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation.
Affected Chipsets MT2731, MT6570, MT6580, MT6595, MT6732, MT6735, MT6737, MT6737M, MT6738, MT6739, MT6750, MT6750S, MT6752, MT6753, MT6755, MT6757, MT6758, MT6761, MT6762, MT6762D, MT6762M, MT6763, MT6765, MT6765T, MT6767, MT6768, MT6769, MT6769T, MT6769Z, MT6771, MT6775, MT6779, MT6781, MT6783, MT6785, MT6785T, MT6789, MT6795, MT6797, MT6799, MT6813, MT6815, MT6833, MT6835, MT6853, MT6855, MT6873, MT6875, MT6875T, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6895T, MT6896, MT6897, MT6983, MT6985, MT6989, MT8666, MT8666A, MT8667, MT8673, MT8675, MT8765, MT8766, MT8766Z, MT8768, MT8768A, MT8768B, MT8768T, MT8768Z, MT8781, MT8786, MT8788, MT8788T, MT8788X, MT8788Z, MT8791, MT8791T, MT8797, MT8798
Affected Software Versions Modem LR11, LR12A, LR13, NR15, NR16, NR17

CVE CVE-2023-32819
Title Exposure of sensitive information to an unauthorized actor in display
Severity High
Vulnerability Type ID
CWE CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Description In display, there is a possible information disclosure due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6765, MT6768, MT6833, MT6879, MT6883, MT6885, MT6889, MT6893, MT6983, MT6985, MT8188, MT8195, MT8797, MT8798
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-32820
Title Denial of service in wlan firmware
Severity High
Vulnerability Type DoS
CWE CWE-400 Denial of Service
Description In wlan firmware, there is a possible firmware assertion due to improper input handling. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT7663, MT7668, MT7902, MT7921, MT8168, MT8365, MT8518S, MT8532, MT8666, MT8673, MT8675, MT8695, MT8766, MT8768, MT8781, MT8786, MT8789, MT8791, MT8797, MT8798
Affected Software Versions Android 11.0, 12.0, 13.0 / Linux 4.19 / Yocto 3.1, 3.3 / IOT-v23.0

CVE CVE-2023-32821
Title Exposure of sensitive information to an unauthorized actor in video
Severity Medium
Vulnerability Type EoP
CWE CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Description In video, there is a possible out of bounds write due to a permissions bypass. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6761, MT6763, MT6765, MT6768, MT6771, MT6779, MT6785, MT6853, MT6873, MT6885
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-32822
Title Improper input validation in ftm
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In ftm, 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 MT2713, MT6739, MT6761, MT6762, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6833, MT6835, MT6855, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6985, MT8167, MT8167S, MT8168, MT8175, MT8188, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8390, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797, MT8798
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-32823
Title Integer overflow or wraparound in rpmb
Severity Medium
Vulnerability Type EoP
CWE CWE-190 Integer Overflow or Wraparound
Description In rpmb , 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 MT6580, MT6739, MT6761, MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8666, MT8765, MT8788
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-32824
Title Double free in rpmb
Severity Medium
Vulnerability Type EoP
CWE CWE-415 Double Free
Description In rpmb , there is a possible double 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 MT6580, MT6739, MT6761, MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8666, MT8765, MT8788
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-32826
Title Out-of-bounds write in camera middleware
Severity Medium
Vulnerability Type EoP
CWE CWE-787 Out-of-bounds Write
Description In camera middleware, there is a possible out of bounds write due to a missing 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, MT6886, MT6895, MT6983, MT6985, MT6989, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8188, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8390, MT8395, MT8666, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797, MT8798
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-32827
Title Out-of-bounds write in camera middleware
Severity Medium
Vulnerability Type EoP
CWE CWE-787 Out-of-bounds Write
Description In camera middleware, there is a possible out of bounds write due to a missing 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, MT6886, MT6895, MT6983, MT6985, MT6989, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8188, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8390, MT8395, MT8666, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797, MT8798
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-32828
Title Integer overflow or wraparound in vpu
Severity Medium
Vulnerability Type EoP
CWE CWE-190 Integer Overflow or Wraparound
Description In vpu, 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 MT6771, MT6779, MT6785, MT6853, MT6853T, MT6873, MT6877, MT6885, MT6891, MT6893, MT8183, MT8188, MT8195, MT8390, MT8395
Affected Software Versions Android 12.0 / IOT-v23.0

CVE CVE-2023-32829
Title Out-of-bounds write in apusys
Severity Medium
Vulnerability Type EoP
CWE CWE-787 Out-of-bounds Write
Description In apusys, 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 MT6879, MT6886, MT6891, MT6895, MT6896, MT6983, MT6985, MT8137, MT8139, MT8188, MT8195, MT8195Z, MT8390, MT8395
Affected Software Versions Android 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / IOT-v23.0

CVE CVE-2023-32830
Title Out-of-bounds write in TVAPI
Severity Medium
Vulnerability Type EoP
CWE CWE-787 Out-of-bounds Write
Description In TVAPI, 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 MT5527, MT5583, MT5598, MT5599, MT5670, MT5680, MT5691, MT5695, MT5806, MT5813, MT5815, MT5816, MT5833, MT5835, MT5895, MT9010, MT9011, MT9012, MT9016, MT9020, MT9021, MT9022, MT9215, MT9216, MT9221, MT9222, MT9255, MT9256, MT9266, MT9269, MT9285, MT9286, MT9600, MT9602, MT9610, MT9612, MT9613, MT9615, MT9617, MT9629, MT9630, MT9631, MT9632, MT9633, MT9636, MT9638, MT9639, MT9649, MT9650, MT9652, MT9653, MT9660, MT9666, MT9667, MT9669, MT9670, MT9671, MT9675, MT9679, MT9685, MT9686, MT9688, MT9900, MT9901, MT9931, MT9950, MT9969, MT9970, MT9980, MT9981
Affected Software Versions Android 10.0, 11.0


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 2, 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.