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json-pointer@0.0.2 vulnerabilities

Some utilities for JSON pointers described by RFC 6901

  • latest version

    0.6.2

  • latest non vulnerable version

    0.6.2

  • first published

    11 years ago

  • latest version published

    2 years ago

  • licenses detected

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    Direct Vulnerabilities

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

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    VulnerabilityVulnerable Version
    • M
    Prototype Pollution

    json-pointer is a set of utilities for JSON pointers described by RFC 6901

    Affected versions of this package are vulnerable to Prototype Pollution. A type confusion vulnerability can lead to a bypass of CVE-2020-7709 when the pointer components are arrays.

    PoC

    const pointer = require('json-pointer');

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

pointer.set({}, [['__proto__'], 'polluted'], 'yes')
console.log(polluted)"

    How to fix Prototype Pollution?

    Upgrade json-pointer to version 0.6.2 or higher.

    <0.6.2
    • M
    Prototype Pollution

    json-pointer is a set of utilities for JSON pointers described by RFC 6901

    Affected versions of this package are vulnerable to Prototype Pollution. Multiple reference of object using slash is supported.

    PoC

    var pointer = require('json-pointer');

var obj = {};
pointer.set(obj, '/__proto__/polluted', true);

console.log(polluted); // true

    How to fix Prototype Pollution?

    Upgrade json-pointer to version 0.6.1 or higher.

    <0.6.1
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