A vulnerability was found in Mozilla Firefox up to 130 on Android. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Filename Handler. The manipulation with an unknown input leads to a ui layer vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

A specially crafted filename containing a large number of spaces could obscure the file's extension when displayed in the download dialog. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 131.

The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is handled as CVE-2024-9395 since 10/01/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/02/2024).

The vulnerability scanner Nessus provides a plugin with the ID 207979 (Mozilla Firefox < 131.0), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 131 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (207979). See VDB-279007 for similar entry.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 130

License

• open-source

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• 🔒

CPE 2.2info

• 🔒

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