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


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2378005
  • published26 Jan 2022
  • disclosed11 Jun 2018
  • creditUnknown

Introduced: 11 Jun 2018

CVE-2017-7766  (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. An attack using manipulation of "updater.ini" contents, used by the Mozilla Windows Updater, and privilege escalation through the Mozilla Maintenance Service to allow for arbitrary file execution and deletion by the Maintenance Service, which has 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