Arbitrary Command Injection Affecting port-killer package, versions *
Snyk CVSS
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Test your applications- Snyk ID SNYK-JS-PORTKILLER-1078533
- published 18 Mar 2021
- disclosed 23 Feb 2021
- credit OmniTaint
Introduced: 23 Feb 2021
CVE-2021-23359 Open this link in a new tabHow to fix?
There is no fixed version for port-killer.
Overview
port-killer is a Kills the process running on a given port (assuming you have permission to do so)
Affected versions of this package are vulnerable to Arbitrary Command Injection. If (attacker-controlled) user input is given, it is possible for an attacker to execute arbitrary commands.
This is due to use of the child_process exec function without input sanitization.
Running this PoC will cause the command touch success to be executed, leading to the creation of a file called success.
PoC (provided by reporter):
var port_killer = require('port-killer');
port_killer('$(touch success)');