The UI Performs the Wrong Action Affecting firefox package, versions <0:102.12.0-1.el7_9


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-RHEL7-FIREFOX-5669968
  • published7 Jun 2023
  • disclosed6 Jun 2023

Introduced: 6 Jun 2023

CVE-2023-34414  (opens in a new tab)
CWE-449  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:102.12.0-1.el7_9 or higher.
This issue was patched in RHSA-2023:3579.

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.

The error page for sites with invalid TLS certificates was missing the activation-delay Firefox uses to protect prompts and permission dialogs from attacks that exploit human response time delays. If a malicious page elicited user clicks in precise locations immediately before navigating to a site with a certificate error and made the renderer extremely busy at the same time, it could create a gap between when the error page was loaded and when the display actually refreshed. With the right timing the elicited clicks could land in that gap and activate the button that overrides the certificate error for that site. This vulnerability affects Firefox ESR < 102.12, Firefox < 114, and Thunderbird < 102.12.

CVSS Scores

version 3.1