---
title: "CX-2021-4783"
date: "2021-04-26T07:00:00+00:00"
url: "https://checkmarx.com/zero/vulnerabilities/cx-2021-4783/"
---

# CX-2021-4783

[Disclosed vulnerabilities](https://checkmarx.com/zero/vulnerabilities/)

No CVE assigned  **Published:** Apr 26, 2021

7.2 High Severity javascript node nodejs npm RCE typescript

AZ Adar Zandberg  Reported by Checkmarx Zero

Details Overview

## Summary

The proctree Node.js package is vulnerable to command injection. Exploitation is possible via unsanitized shell metacharacters provided to the fix() function.

## Product

All versions of the proctree NPM package.

## Impact

This issue may lead to remote code execution on a machine running the proctree.

## Steps to reproduce

```js
var PsTree = require('proctree');
PsTree.getProcessTree("; touch HACKED &&")
```

### Expected result:

A file named `HACKED` has been created.

## Remediation

No fix is currently available.  
It is recommended to sanitize every untrusted input used by your applications.

## Credit

This issue was discovered and reported by Checkmarx SCA Security Analyst [Adar Zandberg](https://www.linkedin.com/in/adarz).

## Resources

1. [index.js#L46](https://github.com/allenhwkim/proctree/blob/master/index.js#L46)

0  High Severity CVSS v3.1 Score

   7.2

CVSS v3.1 Vectors- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: High
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High

Advisory Timeline1. Discovered Jan 20, 2021 Notified developer

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