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    CVE-2019-19507

    In jpv (aka Json Pattern Validator) before 2.1.1, compareCommon() can be bypassed because certain internal attributes can be overwritten via a conflicting name, as demonstrated by 'constructor': {'name':'Array'}. This affects validate(). Hence, a crafted payload can overwrite this builtin attribute to manipulate the type detection result.

    Published:Dec 2, 2019
    Last Modified:Nov 21, 2024
    EPS:Dec 2, 2019
    EPSS Score:0.00249
    CVSS Score:5.3

    Affected Products

    Vendor
    Json Pattern Validator Project
    Product
    Json Pattern Validator

    Exploits

    https://github.com/manvel-khnkoyan/jpv/issues/6https://github.com/manvel-khnkoyan/jpv/issues/6

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    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