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Web Servers HTTP Response Splitter Cache Poisoning


Check Point Reference: CPAI-2014-1063
Date Published:
Last Updated:
Source: IPS Research Team
Protection Provided by: Security Gateway
  • R75 and above
Who is Vulnerable?

Vulnerability Description
A Cache Poisoning vulnerability has been identified in multiple web servers. The vulnerability is due to an error in the way the web server sanitizes user input. A remote attacker can exploit this vulnerability by sending a malicious request to the server.

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, 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 R70 / R71 / R75 and above

How Can I Protect My Network?

  1. In the IPS tab, click Protections and find the Web Servers HTTP Response Splitter Cache Poisoning 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:  Web Servers HTTP Response Splitter Cache Poisoning