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Arbitrary Command Injection Affecting psnode package, versions *

0.0
high

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 0.53% (77th percentile)
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NVD
9.8 critical

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  • Snyk ID SNYK-JS-PSNODE-1078543
  • published 18 Apr 2021
  • disclosed 18 Apr 2021
  • credit OmniTaint
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Introduced: 18 Apr 2021

CVE-2021-23375 Open this link in a new tab
CWE-77 Open this link in a new tab
First added by Snyk

How to fix?

There is no fixed version for psnode.

Overview

psnode is an A Node.js KISS module to list and kill process on OSX and Windows.

Affected versions of this package are vulnerable to Arbitrary Command Injection. If attacker-controlled user input is given to the kill function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.

PoC (provided by reporter): 

var psnode = require('psnode');
psnode.kill('$(touch success)', function() {});

(A file called success will be created as a result of the execution of touch success.)

References