Improper Restriction of Rendered UI Layers or Frames Affecting firefox package, versions <0:102.3.0-6.el8_6


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.11% (46th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-3030659
  • published22 Sept 2022
  • disclosed20 Sept 2022

Introduced: 20 Sep 2022

CVE-2022-40959  (opens in a new tab)
CWE-1021  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:102.3.0-6.el8_6 or higher.
This issue was patched in RHSA-2022:6702.

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:8 relevant fixed versions and status.

During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that leaked device permissions into untrusted subdocuments. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

CVSS Scores

version 3.1