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cookie-signature@1.0.1 vulnerabilities

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  • latest version

    1.2.2

  • latest non vulnerable version

    1.2.2

  • first published

    13 years ago

  • latest version published

    11 months ago

  • licenses detected

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    Direct Vulnerabilities

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

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    VulnerabilityVulnerable Version
    • M
    Non-Constant Time String Comparison

    'cookie-signature' is a library for signing cookies.

    Versions before 1.0.4 of the library use the built-in string comparison mechanism, ===, and not a time constant string comparison. As a result, the comparison will fail faster when the first characters in the token are incorrect. An attacker can use this difference to perform a timing attack, essentially allowing them to guess the secret one character at a time.

    You can read more about timing attacks in Node.js on the Snyk blog: https://snyk.io/blog/node-js-timing-attack-ccc-ctf/

    How to fix Non-Constant Time String Comparison?

    Upgrade to 1.0.4 or greater.

    <1.0.4
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