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    August 2023
    Product Security Bulletin

    Published 2023-08-07

    The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform, OTT, Wi-Fi and TV chipsets 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).

    The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform, OTT, Wi-Fi and TV chipsets 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-2023-20780
    Medium CVE-2023-20781, CVE-2023-20782, CVE-2023-20783, CVE-2023-20784, CVE-2023-20785, CVE-2023-20786, CVE-2023-20787, CVE-2023-20788, CVE-2023-20789, CVE-2023-20790, CVE-2023-20793, CVE-2023-20795, CVE-2023-20796, CVE-2023-20797, CVE-2023-20798, CVE-2023-20800, CVE-2023-20801, CVE-2023-20802, CVE-2023-20803, CVE-2023-20804, CVE-2023-20805, CVE-2023-20806, CVE-2023-20807, CVE-2023-20808, CVE-2023-20809, CVE-2023-20810, CVE-2023-20811, CVE-2023-20812, CVE-2023-20813, CVE-2023-20814, CVE-2023-20815, CVE-2023-20816, CVE-2023-20817, CVE-2023-20818

    Details

    CVE CVE-2023-20780
    Title Improper input validation in keyinstall
    Severity High
    Vulnerability Type ID
    CWE CWE-20 Improper Input Validation
    Description In keyinstall, 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 MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8185, MT8321, MT8385, MT8666, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
    Affected Software Versions Android 11.0, 12.0, 13.0

    CVE CVE-2023-20781
    Title Improper input validation in keyinstall
    Severity Medium
    Vulnerability Type DoS
    CWE CWE-20 Improper Input Validation
    Description In keyinstall, there is a possible memory corruption due to a missing bounds check. This could lead to local denial of service 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, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8185, MT8321, MT8385, MT8666, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20782
    Title Improper input validation in keyinstall
    Severity Medium
    Vulnerability Type ID
    CWE CWE-20 Improper Input Validation
    Description In keyinstall, 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 MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8185, MT8321, MT8385, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20783
    Title Improper input validation in keyinstall
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In keyinstall, 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, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8185, MT8321, MT8385, MT8666, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
    Affected Software Versions Android 11.0, 12.0, 13.0

    CVE CVE-2023-20784
    Title Improper input validation in keyinstall
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In keyinstall, 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, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8185, MT8321, MT8385, MT8666, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
    Affected Software Versions Android 11.0, 12.0, 13.0

    CVE CVE-2023-20785
    Title Time-of-check time-of-use (toctou) race condition in audio
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
    Description In audio, 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 MT6779, MT6781, MT6785, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8168, MT8781, MT8791, MT8797
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20786
    Title Improper input validation in gps
    Severity Medium
    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 System execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT2713, MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6983, MT6985, MT8167, MT8167S, MT8168, MT8175, MT8188, MT8195, MT8362A, MT8365, MT8673
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20787
    Title Time-of-check time-of-use (toctou) race condition in thermal
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
    Description In thermal, 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 MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6883, MT8167, MT8167S, MT8168, MT8321, MT8362A, MT8365
    Affected Software Versions Android 12.0

    CVE CVE-2023-20788
    Title Time-of-check time-of-use (toctou) race condition in thermal
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
    Description In thermal, 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 MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6883, MT8167, MT8167S, MT8168, MT8321, MT8362A, MT8365
    Affected Software Versions Android 12.0

    CVE CVE-2023-20789
    Title Improper input validation in jpeg
    Severity Medium
    Vulnerability Type ID
    CWE CWE-20 Improper Input Validation
    Description In jpeg, 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 MT6789, MT6835, MT6855, MT6879, MT6886, MT6895, MT6983, MT6985, MT8188, MT8195, MT8195Z
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20790
    Title Improper input validation in nvram
    Severity Medium
    Vulnerability Type ID
    CWE CWE-20 Improper Input Validation
    Description In nvram, there is a possible out of bounds write 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 MT2713, MT2735, MT2737, MT6739, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6980, MT6983, MT6985, MT6990, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8188, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
    Affected Software Versions Android 12.0, 13.0 / OpenWrt 19.07, 21.02 / RDK-B 22Q3 / Yocto 2.6, 3.3

    CVE CVE-2023-20793
    Title Improper input validation in apu
    Severity Medium
    Vulnerability Type DoS
    CWE CWE-20 Improper Input Validation
    Description In apu, there is a possible memory corruption due to a missing bounds check. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8183, MT8188, MT8195
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20795
    Title Improper input validation in ril
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In ril, 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 MT6739, MT6761, MT6762, MT6768, MT6769, MT6779, MT6781, MT6785, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8791T, MT8797
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20796
    Title Improper input validation in power
    Severity Medium
    Vulnerability Type DoS
    CWE CWE-20 Improper Input Validation
    Description In power, there is a possible memory corruption due to an incorrect bounds check. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT2735, MT2737, MT6789, MT6833, MT6835, MT6853, MT6855, MT6873, MT6877, MT6879, MT6880, MT6886, MT6890, MT6893, MT6895, MT6980, MT6983, MT6985, MT6990, MT8168, MT8321, MT8768, MT8781, MT8786
    Affected Software Versions Android 12.0, 13.0 / OpenWrt 19.07, 21.02 / RDK-B 22Q3 / Yocto 2.6, 3.3

    CVE CVE-2023-20797
    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 bounds check. 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, MT8188, MT8195, MT8673
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20798
    Title Out-of-bounds read in pda
    Severity Medium
    Vulnerability Type ID
    CWE CWE-125 Out-of-bounds Read
    Description In pda, there is a possible out of bounds read due to an incorrect calculation of buffer size. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT2713, MT6855, MT6879, MT6886, MT6895, MT6983, MT6985, MT8188, MT8195, MT8395, MT8673
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20800
    Title Improper input validation in imgsys
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In imgsys, there is a possible system crash due to a mssing ptr check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT6879, MT6895, MT6983, MT8188, MT8195, MT8395, MT8781
    Affected Software Versions Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)

    CVE CVE-2023-20801
    Title Improper input validation in imgsys
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In imgsys, 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 MT6879, MT6895, MT6983, MT8188, MT8195, MT8395, MT8781
    Affected Software Versions Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)

    CVE CVE-2023-20802
    Title Improper input validation in imgsys
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-119 Improper Input Validation
    Description In imgsys, there is a possible memory corruption due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT6879, MT6895, MT6983, MT8188, MT8195, MT8395, MT8781
    Affected Software Versions Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)

    CVE CVE-2023-20803
    Title Improper input validation in imgsys
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-119 Improper Input Validation
    Description In imgsys, there is a possible memory corruption due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT2713, MT6879, MT6895, MT6983, MT8188, MT8195, MT8395, MT8673
    Affected Software Versions Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)

    CVE CVE-2023-20804
    Title Out-of-bounds write in imgsys
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In imgsys, 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, MT6879, MT6895, MT6983, MT8188, MT8195, MT8395, MT8673
    Affected Software Versions Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)

    CVE CVE-2023-20805
    Title Out-of-bounds write in imgsys
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In imgsys, 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, MT6879, MT6895, MT6983, MT8188, MT8195, MT8395, MT8673
    Affected Software Versions Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)

    CVE CVE-2023-20806
    Title Write-what-where condition in hcp
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-123 Write-what-where Condition
    Description In hcp, 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, MT6879, MT6895, MT6983, MT8188, MT8195, MT8395, MT8673
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20807
    Title Improper input validation in dpe
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In dpe, 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, MT6895, MT6983, MT8188, MT8195, MT8395, MT8673
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20808
    Title Out-of-bounds write in OPTEE
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In OPTEE, 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 MT9011, MT9022, MT9618, MT9649, MT9653
    Affected Software Versions Android 11.0

    CVE CVE-2023-20809
    Title Out-of-bounds write in vdec
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In vdec, 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 MT5583, MT5691, MT5695, MT9010, MT9011, MT9012, MT9016, MT9020, MT9021, MT9022, MT9030, MT9031, MT9032, MT9215, MT9216, MT9218, MT9220, MT9221, MT9222, MT9255, MT9256, MT9266, MT9269, MT9285, MT9286, MT9288, MT9600, MT9602, MT9610, MT9611, MT9612, MT9613, MT9615, MT9617, MT9629, MT9630, MT9631, MT9632, MT9636, MT9638, MT9639, MT9650, MT9652, MT9666, MT9667, MT9669, MT9670, MT9671, MT9675, MT9685, MT9686, MT9688
    Affected Software Versions Android 10.0, 11.0

    CVE CVE-2023-20810
    Title Improper input validation in IOMMU
    Severity Medium
    Vulnerability Type ID
    CWE CWE-20 Improper Input Validation
    Description In IOMMU, there is a possible information disclosure due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT5221, MT5583, MT5691, MT5695, MT9010, MT9011, MT9012, MT9016, MT9020, MT9021, MT9022, MT9030, MT9031, MT9032, MT9216, MT9218, MT9220, MT9221, MT9222, MT9255, MT9256, MT9266, MT9269, MT9286, MT9288, MT9602, MT9610, MT9611, MT9612, MT9613, MT9615, MT9617, MT9618, MT9629, MT9630, MT9631, MT9632, MT9636, MT9638, MT9639, MT9649, MT9650, MT9652, MT9653, MT9666, MT9667, MT9669, MT9671, MT9675, MT9685, MT9686, MT9688
    Affected Software Versions Android 10.0, 11.0 / Linux 4.19

    CVE CVE-2023-20811
    Title Out-of-bounds write in IOMMU
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In IOMMU, 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 MT5221, MT5583, MT5691, MT5695, MT9010, MT9011, MT9012, MT9016, MT9020, MT9021, MT9022, MT9030, MT9031, MT9032, MT9216, MT9218, MT9220, MT9221, MT9222, MT9255, MT9256, MT9266, MT9269, MT9286, MT9288, MT9602, MT9610, MT9611, MT9612, MT9613, MT9615, MT9617, MT9618, MT9629, MT9630, MT9631, MT9632, MT9636, MT9638, MT9639, MT9649, MT9650, MT9652, MT9653, MT9666, MT9667, MT9669, MT9671, MT9675, MT9685, MT9686, MT9688
    Affected Software Versions Android 10.0, 11.0 / Linux 4.19

    CVE CVE-2023-20812
    Title Improper input validation in wlan driver
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In wlan driver, there is possible out of bounds write due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6761, MT6762, MT6765, MT6768, MT6769, MT6781, MT6783, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6896, MT6983, MT6985, MT8365
    Affected Software Versions Android 13.0 / IOT-v23.0 (Yocto 4.0)

    CVE CVE-2023-20813
    Title Improper input validation in wlan service
    Severity Medium
    Vulnerability Type ID
    CWE CWE-20 Improper Input Validation
    Description In wlan service, there is possible out of bounds read due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20814
    Title Improper input validation in wlan service
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In wlan service, there is 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, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20815
    Title Improper input validation in wlan service
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In wlan service, there is 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, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20816
    Title Improper input validation in wlan service
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In wlan service, there is 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, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20817
    Title Improper input validation in wlan service
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-20 Improper Input Validation
    Description In wlan service, there is 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, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985
    Affected Software Versions Android 12.0, 13.0

    CVE CVE-2023-20818
    Title Improper input validation in wlan service
    Severity Medium
    Vulnerability Type ID
    CWE CWE-20 Improper Input Validation
    Description In wlan service, there is possible out of bounds read due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985
    Affected Software Versions Android 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 Augest 7, 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.

    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.