Check Point Advisories

Mozilla Shell Protocol Validation (CVE-2004-0648)

Check Point Reference: CPAI-2004-157
Date Published: 23 May 2010
Severity: Medium
Last Updated: Sunday 23 May, 2010
Source:
Industry Reference:CVE-2004-0648
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Mozilla Firefox is a web browser developed by Mozilla Foundation. The browser is capable of interpreting and rendering many types of content published on the Internet, including various versions of HTML, XML, XUL, JavaScript, various graphics formats, and so on. The browser runs on the Windows, Macintosh, Unix and Linux based platforms. The Mozilla web browser accepts URIs using many protocols. A URI consists of a scheme name, followed by a resource path or indicator. There exists a vulnerability in the way products based on the Mozilla web engine validate URIs using the shell scheme. Using a specially crafted shell URI, an attacker can run executable files located on a target system, or start applications registered to handle certain file types. This vulnerability can also be used as a remote attack vector to vulnerabilities that would otherwise be considered local only. In case of an attack where code injection and execution is successful, the behavior of a target is dependent on the intended purpose if the injected.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Mozilla Shell Protocol Validation protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Mozilla shell protocol validation

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