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Server-Side Request Forgery (SSRF) Affecting node-pdf-generator package, versions *

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 0.13% (48th percentile)
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NVD
8.2 high

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  • Snyk ID SNYK-JS-NODEPDFGENERATOR-609636
  • published 5 Oct 2020
  • disclosed 3 Sep 2020
  • credit Vasilii Ermilov
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Introduced: 3 Sep 2020

CVE-2020-7740 Open this link in a new tab
CWE-918 Open this link in a new tab
First added by Snyk

How to fix?

There is no fixed version for node-pdf-generator.

Overview

node-pdf-generator is a Web server to generate PDF's from HTML

Affected versions of this package are vulnerable to Server-Side Request Forgery (SSRF). Due to lack of user input validation and sanitization done to the content given to node-pdf-generator, it is possible for an attacker to craft a url that will be passed to an external server allowing an SSRF attack.

PoC


git clone https://github.com/darrenhaken/node-pdf-generator.git


cd node-pdf-generator


npm install


node index.js

The app will be available at https://localhost:1337

send crafted request like:


curl --location --request POST 'https://127.0.0.1:1337/' --header 'Content-Type: text/html' --data-raw ''