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Nginx Location NTFS Extended Attributes Security Bypass (CVE-2011-4963)

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Check Point Reference: CPAI-2012-663
Date Published:
Severity:
Source: nginx.org Advisory
Industry Reference(s): CVE-2011-4963
Protection Provided by: Security Gateway
  • R75
Who is Vulnerable?
nginx HTTP Server for Windows prior to 1.2.1
nginx HTTP Server for Windows prior to 1.3.1
Vulnerability Description
A design weakness vulnerability has been reported in nginx HTTP Server.
Vulnerability Details
The vulnerability is due to an error when handling specially crafted HTTP requests. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP request to the target. Successful exploitation can lead to disclosure of sensitive information on the affected service.

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

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

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway R75 / R71 / R70

How Can I Protect My Network?

  1. In the IPS tab, click Protections and find the Nginx Location NTFS Extended Attributes Security Bypass protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:
Attack Name: Web Server Enforcement Violation
Attack Information: Nginx Location NTFS Extended Attributes Security Bypass