Access Restriction Bypass Affecting mozilla package, versions [,52.2.0)(52.2.0,54.0)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.06% (27th 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-2378566
  • published26 Jan 2022
  • disclosed11 Jun 2018
  • creditUnknown

Introduced: 11 Jun 2018

CVE-2017-7767  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade mozilla to version 52.2.0, 54.0 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass. The Mozilla Maintenance Service can be invoked by an unprivileged user to overwrite arbitrary files with junk data using the Mozilla Windows Updater, which runs with the Maintenance Service's privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54.

CVSS Scores

version 3.1