Command Injection Affecting lsof package, versions *


0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 2.93% (90th percentile)
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NVD
9.8 critical

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  • Snyk ID SNYK-JS-LSOF-543632
  • published 29 Jan 2020
  • disclosed 29 Jan 2020
  • credit JHU System Security Lab

How to fix?

There is no fixed version for lsof.

Overview

lsof is a lsof processor for node.

Affected versions of this package are vulnerable to Command Injection. Multiple areas of the package is vulnerable to command injection. Every exported method used by the packages uses the exec function to parse user input.

PoC by JHU System Security Lab

var root = require("lsof");
var attack_code = "& echo vulnerable > create.txt &";
root.rawTcpPort(attack_code, function(){});

References