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defaults-deep@0.2.0 vulnerabilities

Like `extend` but recursively copies only the missing properties/values to the target object.

  • latest version

    0.2.4

  • first published

    11 years ago

  • latest version published

    7 years ago

  • licenses detected

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    Direct Vulnerabilities

    Known vulnerabilities in the defaults-deep package. This does not include vulnerabilities belonging to this package’s dependencies.

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    VulnerabilityVulnerable Version
    • H
    Prototype Pollution

    defaults-deep is a like extend but recursively copies only the missing properties/values to the target object.

    Affected versions of this package are vulnerable to Prototype Pollution. Provided certain input defaults-deep can add or modify properties of the Object prototype. These properties will be present on all objects.

    ##PoC

    var defaultsDeep = require('defaults-deep');
var payload = JSON.parse('{"constructor": {"prototype": {"isAdmin": true}}}');
defaultsDeep({}, payload);
console.log({}.isAdmin); // true

    How to fix Prototype Pollution?

    There is no fixed version for defaults-deep.

    *
    • M
    Prototype Pollution

    defaults-deep is a like extend but recursively copies only the missing properties/values to the target object.

    Affected versions of this package are vulnerable to Prototype Pollution. Affected versions of this package are vulnerable to Prototype Pollution via merging functions. These functions allows a malicious user to modify the prototype of Object via __proto__, causing the addition or modification of an existing property that will exist on all objects.

    How to fix Prototype Pollution?

    Upgrade defaults-deep to version 0.2.4 or higher.

    <0.2.4
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