Incorrect Default Permissions Affecting firefox package, versions <0:78.2.0-2.el8_2


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.19% (57th percentile)

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  • Snyk IDSNYK-CENTOS8-FIREFOX-2046135
  • published26 Jul 2021
  • disclosed28 Jul 2020

Introduced: 28 Jul 2020

CVE-2020-15653  (opens in a new tab)
CWE-276  (opens in a new tab)

How to fix?

Upgrade Centos:8 firefox to version 0:78.2.0-2.el8_2 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:8 relevant fixed versions and status.

An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

CVSS Scores

version 3.1