Check Point Advisories

KAME IKE Daemon (racoon) INITIAL_CONTACT Improper Handling (CVE-2004-0164)

Check Point Reference: CPAI-2004-117
Date Published: 1 Dec 2009
Severity: Medium
Last Updated: Tuesday 01 December, 2009
Source:
Industry Reference:CVE-2004-0164
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Racoon is an Internet Key Exchange (IKE) daemon for automatically keying IPsec connections. There exists a vulnerability in the IKE daemon of some BSD systems (Such as NetBSD's racoon) where sending specifically crafted IKE packets could remove an IPsec SA or all SAs. Once an attacker successfully executes an exploit, the targeted ISAKMP SAs on the target will be removed. Moreover, a malicious attacker could successfully force the VPN gateway server to remove the SA of the peer and thus force both sides to try and re-establish the connection.

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 KAME IKE Daemon (racoon) INITIAL_CONTACT Improper Handling 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:  IKE Protection Violation.
Attack Information:  KAME IKE daemon (racoon) INITIAL_CONTACT improper handling

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