Mozilla Firefox up to 67.x SafeBrowsing API input validation

Summaryinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 67.x. This affects an unknown part of the component SafeBrowsing API. The manipulation leads to input validation. This vulnerability is listed as CVE-2019-11725. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 67.x (Web Browser). This issue affects an unknown functionality of the component SafeBrowsing API. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

When a user navigates to site marked as unsafe by the Safebrowsing API, warning messages are displayed and navigation is interrupted but resources from the same site loaded through websockets are not blocked, leading to the loading of unsafe resources and bypassing safebrowsing protections. This vulnerability affects Firefox < 68.

The weakness was presented 07/23/2019 (Website). It is possible to read the advisory at security.gentoo.org. The identification of this vulnerability is CVE-2019-11725 since 05/03/2019. 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 pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/10/2020).

Upgrading to version 68.0 eliminates this vulnerability.

See VDB-138488, VDB-138489, VDB-138490 and VDB-138491 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 67.x

License

• open-source

Website

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

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Entryinfo

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