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Improper Access Control Affecting firefox package, versions <0:60.3.0-1.el7_5

Severity

 Recommended
critical

Based on CentOS security rating.

Threat Intelligence

EPSS
0.42% (75th percentile)

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  • Snyk IDSNYK-CENTOS7-FIREFOX-2107283
  • published26 Jul 2021
  • disclosed23 Oct 2018
Report a new vulnerability Found a mistake?

Introduced: 23 Oct 2018

CVE-2018-12395  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade Centos:7 firefox to version 0:60.3.0-1.el7_5 or higher.

NVD Description

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

By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. This would allow access to domains that share a host that are otherwise restricted. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.