Access Restriction Bypass Affecting firefox package, versions <0:38.4.0-1.el7_1


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.62% (79th 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-RHEL7-FIREFOX-4547330
  • published26 Jul 2021
  • disclosed4 Nov 2015

Introduced: 4 Nov 2015

CVE-2015-7197  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:38.4.0-1.el7_1 or higher.
This issue was patched in RHSA-2015:1982.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly control the ability of a web worker to create a WebSocket object, which allows remote attackers to bypass intended mixed-content restrictions via crafted JavaScript code.

CVSS Scores

version 3.1