A vulnerability classified as problematic was found in Mozilla Firefox up to 124. This vulnerability affects some unknown functionality of the component HTTP2 CONTINUATION Frame Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

There was no limit to the number of HTTP/2 CONTINUATION frames that would be processed. A server could abuse this to create an Out of Memory condition in the browser. This vulnerability affects Firefox < 125 and Firefox ESR < 115.10.

The advisory is shared for download at bugzilla.mozilla.org. This vulnerability was named CVE-2024-3302 since 04/04/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful 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 $0-$5k (estimation calculated on 04/16/2024). The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 125 eliminates this vulnerability.

Similar entry is available at VDB-259276.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 124

License

• open-source

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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