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    CVE-2019-14353

    On Trezor One devices before 1.8.2, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable might be able to leverage this behavior to recover confidential secrets such as the PIN and BIP39 mnemonic. In other words, the side channel is relevant only if the attacker has enough control over the device's USB connection to make power-consumption measurements at a time when secret data is displayed. The side channel is not relevant in other circumstances, such as a stolen device that is not currently displaying secret data. NOTE: this CVE applies exclusively to the Trezor One, and does not refer to any issues with OLED displays on other devices.

    Published:Aug 8, 2019
    Last Modified:Nov 21, 2024
    EPS:Aug 8, 2019
    EPSS Score:0.00064
    CVSS Score:4.2

    Affected Products

    Vendor
    Trezor
    Product
    One
    Vendor
    Trezor
    Product
    One Firmware

    Exploits

    https://blog.trezor.io/details-of-the-oled-vulnerability-and-its-mitigation-d331c4e2001ahttps://blog.trezor.io/details-of-the-oled-vulnerability-and-its-mitigation-d331c4e2001a

    Common Weakness Enumeration

    CWE-203 Observable Discrepancy

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-189 Black Box Reverse Engineering

    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