Mozilla Firefox up to 132 Fullscreen Transition denial of service

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 132. It has been classified as problematic. This affects an unknown function of the component Fullscreen Transition Handler. The manipulation leads to denial of service. This vulnerability is documented as CVE-2024-11698. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 132 and classified as problematic. This issue affects an unknown code block of the component Fullscreen Transition Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

A flaw in handling fullscreen transitions may have inadvertently caused the application to become stuck in fullscreen mode when a modal dialog was opened during the transition. This issue left users unable to exit fullscreen mode using standard actions like pressing "Esc" or accessing right-click menus, resulting in a disrupted browsing experience until the browser is restarted. *This bug only affects the application when running on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

It is possible to read the advisory at bugzilla.mozilla.org. The identification of this vulnerability is CVE-2024-11698 since 11/25/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 211877 (Mozilla Firefox ESR < 128.5), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 133 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211877). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 132

License

• open-source

Website

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

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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

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