Mozilla Firefox up to 132 library-ms File ui layer

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Mozilla Firefox up to 132. This issue affects some unknown processing of the component library-ms File Handler. This manipulation causes ui layer. This vulnerability is tracked as CVE-2024-11693. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Mozilla Firefox up to 132. Affected by this vulnerability is an unknown functionality of the component library-ms File 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 integrity. The summary by CVE is:

The executable file warning was not presented when downloading .library-ms files. *Note: This issue only affected Windows operating systems. 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. This vulnerability is known as CVE-2024-11693 since 11/25/2024. 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 11/27/2024).

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). Statistical analysis made it clear that VulDB provides the best quality 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/

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• 🔍

CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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