Command Injection Affecting devcert-sanscache package, versions <0.4.7


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.39% (74th percentile)

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  • Snyk ID SNYK-JS-DEVCERTSANSCACHE-540926
  • published 8 Jan 2020
  • disclosed 8 Jan 2020
  • credit JHU System Security Lab

How to fix?

Upgrade devcert-sanscache to version 0.4.7 or higher.

Overview

devcert-sanscache is a package that can be used to generate trusted local SSL/TLS certificates for local SSL development.

Affected versions of this package are vulnerable to Command Injection. The variable commonName controlled by user input is used as part of the exec function without any sanitization.

PoC by JHU System Security Lab

var root = require("devcert-sanscache");
var attack_code = "&touch Song&";
root(attack_code);

References

CVSS Scores

version 3.1
Expand this section

Snyk

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

NVD

9.8 critical