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Command Injection Affecting nodemailer package, versions <6.4.16

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 2.54% (91st percentile)
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NVD
9.8 critical

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  • Snyk ID SNYK-JS-NODEMAILER-1038834
  • published 12 Nov 2020
  • disclosed 11 Nov 2020
  • credit Vineet Kumar
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Introduced: 11 Nov 2020

CVE-2020-7769 Open this link in a new tab
CWE-78 Open this link in a new tab
First added by Snyk

How to fix?

Upgrade nodemailer to version 6.4.16 or higher.

Overview

nodemailer is an Easy as cake e-mail sending from your Node.js applications

Affected versions of this package are vulnerable to Command Injection. Use of crafted recipient email addresses may result in arbitrary command flag injection in sendmail transport for sending mails.

PoC

-bi@example.com (-bi Initialize the alias database.)
-d0.1a@example.com (The option -d0.1 prints the version of sendmail and the options it was compiled with.)
-Dfilename@example.com (Debug output ffile)