User Impersonation Affecting mozilla package, versions [,68.8.0)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.1% (44th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-MOZILLA-2377631
  • published26 Jan 2022
  • disclosed22 May 2020
  • creditUnknown

Introduced: 22 May 2020

CVE-2020-12397  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade mozilla to version 68.8.0 or higher.

Overview

Affected versions of this package are vulnerable to User Impersonation. By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.

CVSS Scores

version 3.1