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Mozilla Multiple Products Multiple Location Headers HTTP Response Splitting (CVE-2011-3000)

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Check Point Reference: CPAI-2011-578
Date Published:
Severity:
Source: Mozilla Advisory
Industry Reference(s): CVE-2011-3000
Protection Provided by: Security Gateway
  • R75
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
Mozilla Foundation Firefox 3.6 prior to 3.6.23
Mozilla Foundation Firefox prior to 7.0
Mozilla Foundation SeaMonkey prior to 2.4
Mozilla Foundation Thunderbird prior to 7.0
Vulnerability Description
An HTTP response splitting vulnerability has been reported in Mozilla Firefox, Thunderbird and SeaMonkey.
Vulnerability Details
The vulnerability is due to an error in the way the applications handle HTTP responses with multiple location headers. A remote attacker may exploit this vulnerability by enticing users to open a specially crafted URL with an affected Mozilla product. Successful exploitation could allow attackers to redirect target users to a malicious URL under their control.

Protection Overview
This protection will detect and block malicious HTTP responses sent from the server.

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 Mozilla Multiple Products Multiple Location Headers HTTP Response Splitting 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 Client Enforcement Violation
Attack Information: Mozilla multiple products multiple location headers HTTP response splitting

IPS-1 & IPS-1 NGX R65

How Can I Protect My Network?

  1. In the IPS-1 Policy Manager, click on the Protection tab.
  2. In the Protection tree, click Web Intelligence > WWW 2 , and select the Browser Vulnerabilities protection group.
  3. Click Mozilla Multiple Products Multiple Location Headers.
  4. In the configuration pane, under Settings, check Active.
  5. Click on Install Policy.

How Do I Know if My Network is Under Attack?

Upon attack, the following entries will be logged:

Alert Name: Browser Vulnerabilities.

Description: Mozilla Multiple Products Multiple Location Headers.