Covert Timing Channel Affecting firefox-x11 package, versions <0:115.12.0-1.el9_4


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.06% (25th percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOXX11-7250069
  • published12 Jun 2024
  • disclosed11 Jun 2024

Introduced: 11 Jun 2024

CVE-2024-5690  (opens in a new tab)
CWE-385  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox-x11 to version 0:115.12.0-1.el9_4 or higher.
This issue was patched in RHSA-2024:3955.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-x11 package and not the firefox-x11 package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were functional on a user's system. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

CVSS Scores

version 3.1