Improper Restriction of Rendered UI Layers or Frames Affecting firefox package, versions <0:91.3.0-1.el7_9


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.97% (84th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-8015908
  • published17 Sept 2024
  • disclosed2 Nov 2021

Introduced: 2 Nov 2021

CVE-2021-38508  (opens in a new tab)
CWE-1021  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:91.3.0-1.el7_9 or higher.
This issue was patched in RHSA-2021:4116.

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.

By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

CVSS Scores

version 3.1