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Forescout NAC 6.3.4.1 Cross-Site Redirection Vulnerability

Summary

Forescout NAC (Network Access Control) device is vulnerable to a cross-site redirection vulnerability on the login page.

  • CVE number: CVE-2012-4982
  • Impact: Medium
  • Vendor homepage: http://www.forescout.com
  • Vendor notified: 21/09/2012
  • Vendor response: This issue is reportedly fixed in version 7.0.
  • Credit: Joseph Sheridan of ReactionIS

Affected Products

Forescout CounterACT NAC 6.3.4.1 other versions may also be affected.

Details

The Forescout NAC device is vulnerable to cross-site redirection and could be used to redirect a targetted victim to a malicious site. The 'a' parameter is vulnerable on the 'login' page. See below for details:

http://(NACIP)/assets/login?a=http://www.evil.com

The payload could be delivered by enticing a victim to follow a link in a 'phishing' email.

Impact

An attacker may be able to gain credentials for the NAC device or seek to install malware on the victim's machine via a malicious site.

Solution

Version 7.0 reportedly fixes this issue.

About ReactionIS

Reaction Information Security is a leading independent pen test consultancy specialising in delivering the highest quality security testing services including network pen testing and web application security testing. As a CESG CHECK Service Provider we are authorised to carry out penetration testing on classified government networks.

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