Command Injection Affecting heroku-env package, versions *


Severity

Recommended
0.0
critical
0
10

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

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.32% (71st percentile)

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  • Snyk IDSNYK-JS-HEROKUENV-1050432
  • published26 Jan 2021
  • disclosed26 Jan 2021
  • creditJHU System Security Lab

Introduced: 26 Jan 2021

CVE-2020-28437  (opens in a new tab)
CWE-78  (opens in a new tab)
First added by Snyk

How to fix?

There is no fixed version for heroku-env.

Overview

heroku-env is a package that parse the DATABASE_URL from your heroku config and split it out into the PG* environment variables used by psql pg_dump pg_restore and node_postgres

Affected versions of this package are vulnerable to Command Injection. The injection point is located in lib/get.js which is required by index.js.

PoC

var root = require("heroku-env");
root("& touch JHU","aa", function (){});

CVSS Scores

version 3.1