Mozilla Firefox Popup Notification ui layer

Summaryinfo

A vulnerability identified as critical has been detected in Mozilla Firefox. This affects an unknown part of the component Popup Notification Handler. This manipulation causes ui layer. This vulnerability appears as CVE-2024-4768. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mozilla Firefox (affected version not known) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Popup Notification Handler. The manipulation with an unknown input leads to a ui layer vulnerability. The CWE definition for the vulnerability is CWE-1021. The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with. As an impact it is known to affect confidentiality. The summary by CVE is:

A bug in popup notifications' interaction with WebAuthn made it easier for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

It is possible to read the advisory at bugzilla.mozilla.org. This vulnerability is known as CVE-2024-4768 since 05/10/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/02/2025).

The vulnerability scanner Nessus provides a plugin with the ID 208551 (CentOS 7 : thunderbird (RHSA-2024:2913)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208551). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

License

• open-source

Website

• Vendor: https://www.mozilla.org/
• Product: https://www.mozilla.org/en-US/firefox/

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Be aware that VulDB is the high quality source for vulnerability data.

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