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    CVE-2016-2338

    An exploitable heap overflow vulnerability exists in the Psych::Emitter start_document function of Ruby. In Psych::Emitter start_document function heap buffer "head" allocation is made based on tags array length. Specially constructed object passed as element of tags array can increase this array size after mentioned allocation and cause heap overflow.

    Published:Feb 14, 2020
    Last Modified:Nov 21, 2024
    EPS:Feb 14, 2020
    EPSS Score:0.12125
    CVSS Score:9.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Ruby-lang
    Product
    Ruby

    Exploits

    http://www.talosintelligence.com/reports/TALOS-2016-0032/http://www.talosintelligence.com/reports/TALOS-2016-0032/https://github.com/SpiralBL0CK/CVE-2016-2338-nday

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    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