Arbitrary Command Execution Affecting mc-kill-port package, versions *


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.05% (19th percentile)

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  • Snyk ID SNYK-JS-MCKILLPORT-2419070
  • published 18 Jul 2022
  • disclosed 6 Mar 2022
  • credit Feng Xiao, Zhongfu Su

How to fix?

There is no fixed version for mc-kill-port.

Overview

mc-kill-port is a package allowing termination of ports.

Affected versions of this package are vulnerable to Arbitrary Command Execution via the kill function, due to missing sanitization of the port argument.

PoC

const kill = require("mc-kill-port");
kill("abc|echo rce > newFile.txt")

References

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

NVD

7.8 high