Mozilla Firefox document.cookie documentcookie information disclosure

Summaryinfo

A vulnerability was found in Mozilla Firefox. It has been classified as problematic. Affected is an unknown function of the file document.cookie. This manipulation of the argument documentcookie causes information disclosure. This vulnerability is handled as CVE-2007-3827. There is not any exploit available.

Detailsinfo

A vulnerability was found in Mozilla Firefox (Web Browser) (unknown version). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the file document.cookie. The manipulation of the argument documentcookie with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Mozilla Firefox allows for cookies to be set with a null domain (aka "domainless cookies"), which allows remote attackers to pass information between arbitrary domains and track user activity, as demonstrated by the domain attribute in the document.cookie variable in a javascript: window.

The weakness was released 07/17/2007 as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2007-3827 since 07/17/2007. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/25/2017). MITRE ATT&CK project uses the attack technique T1592 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

License

• open-source

Website

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

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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