CVE-2023-6867: Medium severity firefox vulnerability

Published Dec 19, 2023
·
Updated

Last updated 24 July 2024

Other sources

The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear.

Mozilla

Affected Software

11 affected componentsFixes available
redhat/firefox<115.6
115.6
redhat/thunderbird<115.6
115.6
Mozilla Firefox<121
121
Mozilla Firefox ESR<115.6
115.6
Mozilla Firefox<121.0
Mozilla Firefox ESR<115.6
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Debian Debian Linux=12.0
debian/firefox
138.0.1-1
debian/firefox-esr
115.14.0esr-1~deb11u1128.9.0esr-1~deb11u1128.8.0esr-1~deb12u1128.10.0esr-1~deb12u1128.9.0esr-2128.10.0esr-1

Event History

Dec 19, 2023
CVE Published
via Mozilla·12:00 AM
CVE Published
via MITRE·01:38 PM
Data Sourced
via MITRE·01:38 PM
DescriptionWeakness
Dec 20, 2023
Data Sourced
via Red Hat·11:17 AM
DescriptionSeverityAffected Software
Jan 12, 2024
Data Sourced
via Launchpad·12:29 AM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·04:19 AM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2023-6867?

CVE-2023-6867 has been assigned a severity that indicates it poses a risk of user deception through clickjacking.

2

How do I fix CVE-2023-6867?

To mitigate CVE-2023-6867, users should update their Firefox or Thunderbird software to versions 115.14.0esr or later for Debian and version 134.0.2-2 or later for other distributions.

3

Which software versions are affected by CVE-2023-6867?

CVE-2023-6867 affects Firefox versions up to 115.6, Thunderbird versions up to 115.6, and Firefox ESR versions up to 115.6.

4

What is the nature of the vulnerability in CVE-2023-6867?

CVE-2023-6867 is a clickjacking vulnerability that tricks users into unintentionally interacting with a UI element.

5

Is there a workaround for CVE-2023-6867?

While the best solution is to update the software, users can minimize risk by avoiding suspicious links and verifying application behavior before clicking.

Contact

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