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    CVE-2016-2339

    An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.

    Published:Jun 14, 2016
    Last Modified:Apr 20, 2025
    EPS:Jan 6, 2017
    EPSS Score:0.00684
    CVSS Score:9.8

    Affected Products

    Vendor
    Ruby-lang
    Product
    Ruby

    Exploits

    http://www.talosintelligence.com/reports/TALOS-2016-0034/http://www.talosintelligence.com/reports/TALOS-2016-0034/

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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