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    CVE-2020-35693

    On some Samsung phones and tablets running Android through 7.1.1, it is possible for an attacker-controlled Bluetooth Low Energy (BLE) device to pair silently with a vulnerable target device, without any user interaction, when the target device's Bluetooth is on, and it is running an app that offers a connectable BLE advertisement. An example of such an app could be a Bluetooth-based contact tracing app, such as Australia's COVIDSafe app, Singapore's TraceTogether app, or France's TousAntiCovid (formerly StopCovid). As part of the pairing process, two pieces (among others) of personally identifiable information are exchanged: the Identity Address of the Bluetooth adapter of the target device, and its associated Identity Resolving Key (IRK). Either one of these identifiers can be used to perform re-identification of the target device for long term tracking. The list of affected devices includes (but is not limited to): Galaxy Note 5, Galaxy S6 Edge, Galaxy A3, Tab A (2017), J2 Pro (2018), Galaxy Note 4, and Galaxy S5.

    Published:Dec 24, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 24, 2020
    EPSS Score:0.00044
    CVSS Score:8.8

    Affected Products

    Vendor
    Google
    Product
    Android
    Vendor
    Samsung
    Product
    Galaxy A3
    Vendor
    Samsung
    Product
    Galaxy Note 4
    Vendor
    Samsung
    Product
    Galaxy Note 5
    Vendor
    Samsung
    Product
    Galaxy S5
    Vendor
    Samsung
    Product
    Galaxy S6 Edge
    Vendor
    Samsung
    Product
    J2 Pro \(2018\)
    Vendor
    Samsung
    Product
    Tab A \(2017\)

    Exploits

    https://github.com/alwentiu/contact-tracing-research/blob/main/samsung.pdfhttps://github.com/alwentiu/contact-tracing-research/blob/main/samsung.pdf

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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