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    CVE-2020-8290

    Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit` helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary.

    Published:Dec 27, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 27, 2020
    EPSS Score:0.00057
    CVSS Score:7.8

    Affected Products

    Vendor
    Backblaze
    Product
    Backblaze

    Exploits

    https://github.com/geffner/CVE-2020-8290/blob/master/README.mdhttps://youtu.be/OpC6neWd2aMhttps://github.com/geffner/CVE-2020-8290/blob/master/README.mdhttps://youtu.be/OpC6neWd2aMhttps://github.com/geffner/CVE-2020-8290

    Common Weakness Enumeration

    CWE-269 Improper Privilege Management

    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