Mozilla Firefox up to 131 Response Header Content-Disposition cross site scripting

Summaryinfo

A vulnerability has been found in Mozilla Firefox up to 131 and classified as problematic. The impacted element is an unknown function of the component Response Header Handler. This manipulation of the argument Content-Disposition causes cross site scripting. This vulnerability is registered as CVE-2024-10461. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 131. It has been declared as problematic. Affected by this vulnerability is an unknown part of the component Response Header Handler. The manipulation of the argument Content-Disposition with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

In multipart/x-mixed-replace responses, `Content-Disposition: attachment` in the response header was not respected and did not force a download, which could allow XSS attacks. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132.

It is possible to read the advisory at bugzilla.mozilla.org. This vulnerability is known as CVE-2024-10461 since 10/28/2024. 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. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/30/2024). The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 209869 (Mozilla Firefox ESR < 128.4), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 132 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209869). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 131

License

• open-source

Website

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

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

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