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    CVE-2019-16863

    STMicroelectronics ST33TPHF2ESPI TPM devices before 2019-09-12 allow attackers to extract the ECDSA private key via a side-channel timing attack because ECDSA scalar multiplication is mishandled, aka TPM-FAIL.

    Published:Nov 14, 2019
    Last Modified:Nov 21, 2024
    EPS:Nov 14, 2019
    EPSS Score:0.00265
    CVSS Score:5.9

    Affected Products

    Vendor
    St
    Product
    St33tphf20i2c
    Vendor
    St
    Product
    St33tphf20i2c Firmware
    Vendor
    St
    Product
    St33tphf20spi
    Vendor
    St
    Product
    St33tphf20spi Firmware
    Vendor
    St
    Product
    St33tphf2ei2c
    Vendor
    St
    Product
    St33tphf2ei2c Firmware
    Vendor
    St
    Product
    St33tphf2espi
    Vendor
    St
    Product
    St33tphf2espi Firmware

    Exploits

    No exploit reference

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High