Improper Certificate Validation Affecting firefox package, versions <0:102.12.0-1.0.1.el7_9


Severity

Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.09% (41st percentile)

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  • Snyk ID SNYK-ORACLE7-FIREFOX-5710337
  • published 14 Jun 2023
  • disclosed 19 Jun 2023

How to fix?

Upgrade Oracle:7 firefox to version 0:102.12.0-1.0.1.el7_9 or higher.
This issue was patched in ELSA-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 Oracle. See How to fix? for Oracle: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
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NVD

3.1 low
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    Low
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SUSE

7.5 high
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Red Hat

7.5 high