Improper Input Validation Affecting mozilla package, versions [,54.0)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.21% (59th 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-2378201
  • published26 Jan 2022
  • disclosed11 Jun 2018
  • creditUnknown

Introduced: 11 Jun 2018

CVE-2017-7770  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade mozilla to version 54.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar will not be rendered. This would allow a malicious site to displayed a spoofed addressbar, showing the location of an arbitrary website instead of the one loaded. Note: this issue only affects Firefox for Android. Desktop Firefox is unaffected. This vulnerability affects Firefox < 54.

CVSS Scores

version 3.1