Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Microsoft Windows DNS Insufficient Socket Entropy (MS08-037; CVE-2008-1447)

Check Point Reference: CPAI-2008-315
Date Published: 1 Nov 2011
Severity: Critical
Last Updated: Tuesday 25 September, 2018
Industry Reference:CVE-2008-1447
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable?
Vulnerability Description There exists a DNS Cache Poisoning vulnerability in Microsoft DNS servers and clients. A remote attacker can exploit this vulnerability to poison the DNS cache by sending malicious responses to DNS requests, thereby redirecting Internet traffic to illegitimate sites. In a successful attack case, the attacker can manipulate cache data, potentially facilitating man-in-the-middle, site-impersonation, or denial-of-service attacks.

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 Microsoft Windows DNS Insufficient Socket Entropy (MS08-037) 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:  DNS Enforcement Violation.
Attack Information:  Microsoft Windows DNS Insufficient Socket Entropy (MS08-037)

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