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    2 vulnerabilities found for tm4c129_firmware by ti

    CVE-2018-18056 (GCVE-0-2018-18056)

    Vulnerability from nvd – Published: 2019-08-20 16:22 – Updated: 2024-08-05 11:01
    VLAI
    Summary
    An issue was discovered in the Texas Instruments (TI) TM4C, MSP432E and MSP432P microcontroller series. The eXecute-Only-Memory (XOM) implementation prevents code read-outs on protected memory by generating bus faults. However, single-stepping and using breakpoints is allowed in XOM-protected flash memory. As a consequence, it is possible to execute single instructions with arbitrary system states (e.g., registers, status flags, and SRAM content) and observe the state changes produced by the unknown instruction. An attacker could exploit this vulnerability by executing protected and unknown instructions with specific system states and observing the state changes. Based on the gathered information, it is possible to reverse-engineer the executed instructions. The processor acts as a kind of "instruction oracle."
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Date Public
    2019-08-19 00:00
    Show details on NVD website
    To clipboard 

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    CVE-2018-18056 (GCVE-0-2018-18056)

    Vulnerability from cvelistv5 – Published: 2019-08-20 16:22 – Updated: 2024-08-05 11:01
    VLAI
    Summary
    An issue was discovered in the Texas Instruments (TI) TM4C, MSP432E and MSP432P microcontroller series. The eXecute-Only-Memory (XOM) implementation prevents code read-outs on protected memory by generating bus faults. However, single-stepping and using breakpoints is allowed in XOM-protected flash memory. As a consequence, it is possible to execute single instructions with arbitrary system states (e.g., registers, status flags, and SRAM content) and observe the state changes produced by the unknown instruction. An attacker could exploit this vulnerability by executing protected and unknown instructions with specific system states and observing the state changes. Based on the gathered information, it is possible to reverse-engineer the executed instructions. The processor acts as a kind of "instruction oracle."
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Date Public
    2019-08-19 00:00
    Show details on NVD website
    To clipboard 

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