GHSA-hg78-4f6x-99wq

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    GHSA-hg78-4f6x-99wq

    Published: 15 Nov 2018Last Modified: 16 Feb 2024

    Summary: Rack vulnerable to Denial of Service

    Details: There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.

    References: https://nvd.nist.gov/vuln/detail/CVE-2018-16470, https://access.redhat.com/errata/RHSA-2019:3172, https://github.com/rack/rack, https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2018-16470.yml, https://groups.google.com/forum/#!msg/rubyonrails-security/U_x-YkfuVTg/xhvYAmp6AAAJ, https://groups.google.com/forum/#!topic/ruby-security-ann/Dz4sRl-ktKk

    Affected packages

    Package

    Name: rack

    Purl: pkg:gem/rack

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 2.0.4
    Fixed -2.0.6

    Affected versions

    2.0.4
    2.0.5

    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