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    CVE-2019-15608

    The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack.

    Published:Feb 26, 2020
    Last Modified:Nov 21, 2024
    EPS:Mar 15, 2020
    EPSS Score:0.00399
    CVSS Score:5.9

    Affected Products

    Vendor
    Yarnpkg
    Product
    Yarn

    Exploits

    https://hackerone.com/reports/703138https://hackerone.com/reports/703138

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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