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    July 2024
    Product Security Bulletin

    Published 2024-07-01

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

    The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform, OTT, Wi-Fi, Computer Vision 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-2024-20077, CVE-2024-20076
    Medium CVE-2024-20078, CVE-2024-20079, CVE-2024-20080, CVE-2024-20081

    Details

    CVE CVE-2024-20077
    Title Improper restriction of operations within the bounds of a memory buffer in Modem
    Severity High
    Vulnerability Type DoS
    CWE CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
    Description In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT2731, MT6739, MT6761, MT6762, MT6763, MT6765, MT6767, MT6768, MT6769, MT6771, MT8666, MT8667, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788
    Affected Software Versions Modem LR12A
    Report Source External

    CVE CVE-2024-20076
    Title Improper restriction of operations within the bounds of a memory buffer in Modem
    Severity High
    Vulnerability Type DoS
    CWE CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
    Description In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT2731, MT6739, MT6761, MT6762, MT6763, MT6765, MT6767, MT6768, MT6769, MT6771, MT8666, MT8667, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788
    Affected Software Versions Modem LR12A
    Report Source External

    CVE CVE-2024-20078
    Title Type confusion in venc
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-843 Type Confusion
    Description In venc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation.
    Affected Chipsets MT6768, MT6779, MT8321, MT8385, MT8755, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8792, MT8795T, MT8796, MT8797, MT8798
    Affected Software Versions Android 12.0, 13.0, 14.0
    Report Source External

    CVE CVE-2024-20079
    Title Out-of-bounds write in gnss
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In gnss service, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation.
    Affected Chipsets MT6761, MT6765, MT6768, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT6989, MT8666, MT8667, MT8673, MT8676, MT8678
    Affected Software Versions Android 13.0, 14.0
    Report Source Internal

    CVE CVE-2024-20080
    Title Improper certificate validation in gnss
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-295 Improper Certificate Validation
    Description In gnss service, there is a possible escalation of privilege due to improper certificate validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT2735, MT2737, MT6761, MT6765, MT6768, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6980, MT6983, MT6985, MT6989, MT6990, MT8666, MT8667, MT8673, MT8676, MT8678
    Affected Software Versions Android 13.0, 14.0 / Yocto 2.6, 3.3, 4.0 / RDK-B 22Q3
    Report Source External

    CVE CVE-2024-20081
    Title Out-of-bounds write in gnss
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In gnss service, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation.
    Affected Chipsets MT2735, MT2737, MT6761, MT6765, MT6768, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6980, MT6983, MT6985, MT6989, MT6990, MT8666, MT8667, MT8673, MT8676, MT8678
    Affected Software Versions Android 13.0, 14.0 / openWRT 19.07, 21.02, 23.05 / Yocto 2.6, 3.3, 4.0 / RDK-B 22Q3
    Report Source External

    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 July 1, 2024 Bulletin published.
    1.1 January 9, 2025 Report Source information has been added to all the CVEs.

    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.